How to calculate child ticket prices?

What should I do if I input the wrong passenger information?

Can I take the power bank as carry-on baggage?

How to do the insurance verification?

How to get my ticket(official receipt)?

Does the ticket include meals or drinks?

When does the overseas travel insurance policy expire(For flights depart from Hong Kong & Macau)?

May I cancel my overseas travel insurance policy(For flights depart from Japan)?

When does the overseas travel insurance policy expire(For flights depart from Bangkok)?

What are the rules with carrying alcohol and cigarettes?