You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Matthew Lewis.

ASSISTANT: How may I assist you, Matthew?

USER: I would like to spend my winter weekends with my family. Can you find any flights available?

ASSISTANT: That's great, may I know your corresponding airport codes please?

USER: My airport codes are from IAH to SEA.

ASSISTANT: When would you like plan your  journey?

USER: I would like to travel on 01/06 and return date is on 01/08.

ASSISTANT: There is a flight with UA airlines available with price 100. Can I book the ticket for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed with the flight 1004. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for using our services.