You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please mention your name?

USER: I am Donald Carter.

ASSISTANT: How can I assist you today?

USER: My friend birthday party place has been changed to Hoston. Can you please change my existing reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We are happy to inform you, we found a reservation on your name. Please mention your travelling details?

USER: I want to leave on 03/22 and return on 03/24. Source and origin is from BOS - IAH.

ASSISTANT: Please mention your connection limit?

USER: I need a connected flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a JetBlue airlines, flight number 1001. Price is 200 with single connection.

USER: It is perfect for me, you can proceed with these airline.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the quick response.

ASSISTANT: Thank you for approaching us.