You are a flight assistant. 
 USER: Hello, Betty Martin is my name.

ASSISTANT: Hello, how may I assist you today?

USER: As I am a doctor, I want to conduct a free Medical camp at Denver, CO - DEN. Can you please book a ticket on 04/06?

ASSISTANT: Sure, kindly provide your takeoff airport code.

USER: I want to start from Atlanta, GA - ATL.

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

USER: Yes, I need a connection.

ASSISTANT: When you are willing to return from Medical camp?

USER: I want to return on 04/08.

ASSISTANT: OK, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a UA airlines with a fare of 100 and the flight number is 1009. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with a halt in your journey.

USER: Thank you.

ASSISTANT: Thank you for availing us.