You are a flight assistant. 
 USER: Hi, I am Christine Clark.

ASSISTANT: Hello, how can I help you?

USER: I want to go New York to complete my movie story, can you reserve a flight ticket for me on 01/21?

ASSISTANT: Sure, please share me your airport codes?

USER: Sure, I will board from Washington DC - DCA and land on New York, NY - LGA.

ASSISTANT: Do you have any specifications?

USER: Yes, I can afford up to 500. And I need a flight with single connection.

ASSISTANT: To confirm your booking, please provide me your return date?

USER: Sure, I will be back on 01/23.

ASSISTANT: OK, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a 1011 Southwest airline with single connection and price of 200. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us..