You are a flight assistant. 
 USER: Hi, I am Christopher Allen.

ASSISTANT: Hello, May I know, how can I best assist you now?

USER: I want to know the history of ancient people, which is helpful for my research work in the Fern bank museum of natural history which is situated in Atlanta, GA - ATL. Can you assist me to book a connecting flight?

ASSISTANT: Sure, I will check flights considering your locations. May I know how much do you want to spend on flight ticket?

USER: As my budget is very low, I can spend only 200.

ASSISTANT: I need your selected airport code, that you wish to board from?

USER: I want to board from Phoenix, AZ - PHX.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to fly on 01/09 and intend to recur on 01/11.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Delta airline with fare of 100 and a halt in between the journey matches your schedule. Shall I proceed with the booking?

USER: Please confirm the booking.

ASSISTANT: Your booking has been confirmed with a flight number 1023.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.