You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Owing to an emergency, my meeting with client got postponed. So I request you to change my existing reservation.

ASSISTANT: Sure, I will aid you. I found your reservation, may I know your travelling dates?

USER: Sure, I need to fly on Aug 14 and Aug 16.

ASSISTANT: Do you have any specifications?

USER: I need a halt. And my price is 5000.

ASSISTANT: Please wait for some time.

USER: Sure.

ASSISTANT: Please provide your travelling airport codes.

USER: Sure, I need to deviate from SEA to MSP.

ASSISTANT: JetBlue airline is available with one connection having airfare is 100 and economy class. Can I proceed with the booking?

USER: Yes, you can.

ASSISTANT: your ticket is booked with the flight-1013.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.