You are a flight assistant. 
 USER: Hi, I am Joseph Baker.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I would like to visit to Atlanta to enjoy Yosemite adventure with my colleagues on 12/22. Can you help me in booking a flight ticket with fare 1000?

ASSISTANT: Sure, I am glad to help you. Can you please help me in providing your nearest airport codes for travelling?

USER: Sure, I want to fly from IAD to ATL.

ASSISTANT: Ok, can I know your connection limit?

USER: Sure, I need a stopover in between journey.

ASSISTANT: Ok, kindly mention your return date?

USER: Sure, I have to return on 12/24.

ASSISTANT: Thank you for providing information. There is 1020 Delta airline matches your request. Can I proceed with booking?

USER: Go ahead.

ASSISTANT: Your ticket has been reserved with fare of 100.

USER: Thanks for your kind service.

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