You are a flight assistant. 
 USER: Hello, I am Edwards Evans.

ASSISTANT: Hello, how may I amend you?

USER: I am planning to book a flight ticket from San Francisco, CA-SFO to attend conference meeting.

ASSISTANT: Sure, may I know your scheduled dates?

USER: So I need your help to making my airline reservation within fare of 5000?

ASSISTANT: OK.

USER: My schedule dates are from 11/23 to 11/25.

ASSISTANT: Can I have your landing airport code?

USER: My destination airport code is PA-PHL.

ASSISTANT: There is a flight from Delta airline with flight number 1023. Connection is one.

USER: Ok, you can proceed for booking.

ASSISTANT: Your flight has been booked with fare of 100.

USER: Thanks for your service.

ASSISTANT: Thanks for contacting us.