You are a flight assistant. 
 USER: Hello. I am Steven Lee.

ASSISTANT: Hello, how may I support you?

USER: Please book a flight ticket from Washington, DCA on 10/25.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: When will you catch the return flight?

USER: I will be return on 10/27.

ASSISTANT: How much you can afford for this journey?

USER: I can bare up to 500.

ASSISTANT: Help me with your destination code.

USER: I want to travel to Houston, IAH.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: JetBlue, flight number:1024, price 100, 1 connection. Shall I proceed?

USER: Ok, Proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.