You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I assist you today?

USER: Due to meeting got postpone with my boss, Can you change my existing reservation?

ASSISTANT: Sure. May I know your name for further process?

USER: My name is Frank Thompson.

ASSISTANT: Ok. There is a reservation found with your name. Can you share me your recent reservation details?

USER: I want to fly from EWR on 06/03 to HOU on 06/05.

ASSISTANT: Ok. Wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time. There is a flight that matches your specified locations. JetBlue as airline with 1004 flight number.

USER: Go ahead and book the flight.

ASSISTANT: Fare of the ticket is 100. Your ticket has been reserved for a connecting flight of JetBlue airline. Thank you for opting us for your service.

USER: Thanks for quick service.

ASSISTANT: Have a great day.