You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you?

USER:  I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you help me to change my reservation?

ASSISTANT: Sure, I will help you to change your reservation. May I know your good name?

USER: Thanks for responding. Helen Campbell, is my name.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found your reservation. Please share me your planned journey dates?

USER: Ok, I want to travel on 05/10 & return on 05/12.

ASSISTANT: May I know your source and destination point?

USER: My boarding is AZ - PHX and landing at DC - IAD.

ASSISTANT: Do you need a halt in between the journey?

USER: I prefer a halt.

ASSISTANT: Thanks for the details, I found a connecting flight 1005 of airline BlueJet and fare is 100. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us, have a nice journey.