You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I best serve you today?

USER: I am Michael Collins. I would like to attend my cousin's marriage in The Cathedral Church at Washington, IAD. Can you please make a reservation from Houston, HOU?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a ticket for?

USER: My journey start from Houston on 12/12, and intend to return on 12/14.

ASSISTANT: Do you need any way station in between journey?

USER: Yes, I need a way station in between journey.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: There is a flight found in Southwest airline of flight number 1025 and fare is 400. Shall I proceed for booking?

USER: No do not proceed, My price limit is 200 only. Thank you for your information.

ASSISTANT: Ok, thanks for choosing us.