You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to go Pike Place market for shopping, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your travelling details?

USER: Sure, I will go on 07/26 and return on 07/28. My airport codes are from LAX to SEA.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: The flight number 1009 of AA airline is available. The fare of ticket is 100. Can I proceed booking?

USER: Book the ticket if price is less than 500.

ASSISTANT: Ok.

USER: Ok, book it.

ASSISTANT: May I know your name please to continue booking?

USER: Sure, Lisa Turner.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.