You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Please book a ticket from Washington, IAD.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your starting journey date?

USER: I will start on 07/09.

ASSISTANT: Please, share your destination airport code.

USER: The destination is Seattle, SEA as I need to attend the seminar.

ASSISTANT: Do you have any fare limit?

USER: I can pay an amount of 1000.

ASSISTANT: When you will catch your return flight?

USER: I planned to return on 07/11.

ASSISTANT: Thank you for providing all journey details. Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time.

USER: It's Ok.

ASSISTANT: You have a flight with airline UA and flight number is 1016 with a halt and price is 100. Can I reserve your seat with airline UA?

USER: Yes, you can proceed.

ASSISTANT: May I know your good name for further process?

USER: I am Kevin Williams.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a good day.