You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to Houston to submit my research record at Houston university. Can you assist me in this?

ASSISTANT: Sure, we are here to assist you today?

USER: Thank you.

ASSISTANT: Let me know your travelling airport codes?

USER: Ok, my source airport is Washington DC - DCA and my destination code is TX - IAH.

ASSISTANT: Please share your travelling dates?

USER: Ok, my travelling dates are 08/11 and 08/13.

ASSISTANT: How much can you spend in booking your flight ticket?

USER: I can spend up to 1000.

ASSISTANT: We found a flight 1008 in UA airline the price is 600 with one halt.

USER: Perfect, you may please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: May I know your good name for document purpose?

USER: Frank Martin is my name.

ASSISTANT: Thank you.