You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brian Taylor.

ASSISTANT: How can I assist you?

USER: I am planning to travel from IAH to SEA.

ASSISTANT: Sure Taylor, can I know the travel dates please?

USER: My travelling are 12/29 to 12/31.

ASSISTANT: There is a flight in Delta airline with price 300, can I book it?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with number 1025. Thank you for approaching us.

USER: Thank you.