You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Timothy Carter. I am a journalist, I have to cover a murder case at Washington. Could you book my ticket from Seattle?

ASSISTANT: Sure, we are here to help you. Please, share your source airport code.

USER: My source is SEA.

ASSISTANT: When are you willing to start your journey to Washington?

USER: My trip dates are 01/20 to 01/22.

ASSISTANT: Kindly, mention your fare limit.

USER: My fare is 500.

ASSISTANT: Please, share the airport code of Washington.

USER: My destination airport code is DCA.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight with airline Spirit and flight number is 1008 with a halt and price is 100. Can I reserve your seat?

USER: You can reserve it.

ASSISTANT: Your reservation is done.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us, have a safe journey.