You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Charles Martinez, want to book a flight ticket to Washington with price under 1000. Can you help with it?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 03/03 to 03/05.

ASSISTANT: May I know your source and destination airport codes?

USER: Source is IAH and destination is IAD.

ASSISTANT: May I know your connections limit?

USER: I need a single connection in between the journey.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a Southwest airline, flight number: 1029, price: 300 with one connection.

USER: Yes, you can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.