You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Wilson.

ASSISTANT: Jack Wilson, What kind of help you need from us?

USER: I am planning to celebrate Christmas eve with my family members at Atlanta ATL. Can you help me with booking a flight ticket under a fare of 5000?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Please mention your travelling dates of your journey?

USER: My travelling dates are 12/08 and 12/10.

ASSISTANT: From which airport you have preferred to start your journey?

USER: My takeoff airport code is Washington IAD.

ASSISTANT: We have an Delta airline, of fare- 100, with connections- 1 available for your journey.

USER: Please reserve it.

ASSISTANT: Your ticket is confirmed with flight 1015.

USER: Thank you.

ASSISTANT: Thanks for approaching us.