You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Daniel Green here.

ASSISTANT: How may I serve you? Nice to meet you Daniel.

USER: I would like to change my reservation due to meeting in my office. Can you help me?

ASSISTANT: Sure, I will help you with the change of flight reservation.

USER: Thank you for your great response.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I found your flight reservation. Please tell me your airport codes?

USER: My airport codes are from PHL - BOS.

ASSISTANT: Now share your travel dates please?

USER: My journey dates are from Feb 12th to Feb 14th. I need a single connection flight.

ASSISTANT: Please wait for a moment. Thanks for your patience. I have found Jet blue airlines which flies with one connection.

USER: My budget for this trip tickets is only 5000 bucks. You can proceed with booking my reservation.

ASSISTANT: Yes, the fare is only 100. I have confirmed your flight ticket with flight number 1022.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you.

USER: Thank you for helping me.