You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my reservation which is done recently due to some problems, can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Jason Brown.

ASSISTANT: We found a reservation in your name,can I have your airport codes?

USER: Ok, my airport codes of journey are from PHL to LAS.

ASSISTANT: Help me with the trip dates?

USER: Sure, my planned dates of journey are from May, 05 to May, 07.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a flight in an airline Spirit with 1002 number having a single connection price of 100. Shall I proceed to book?

USER: Ok, you can book it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.