You are a flight assistant. 
 USER: Hello. I am David Nelson.

ASSISTANT: Hello, how may I support you?

USER: I am planning to book a flight ticket to going for Death valley adventures at PA-PHL. So can you please help me to make a airline reservation within fare of 200?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are from 02/05 to 02/07.

ASSISTANT: Kindly mention your source point?

USER: My source point is Chicago, IL-ORD.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in AA airline. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been reserved with the above mentioned details.

USER: Thanks for your help.

ASSISTANT: Thanks for availing us.