You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I am here to aid you. May I know your name to proceed further?

USER: Myself Matthew Campbell.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time, we found a reservation on your name. Please provide your new travelling dates.

USER: Ok, my new travelling dates are July 10 and July 12.

ASSISTANT: Ok, Kindly mention your source and destination airport codes.

USER: My new travelling airport codes are SFO to MSP.

ASSISTANT: Ok, Do you have any preferences?

USER: I prefer economy class ticket.

ASSISTANT: Ok, please wait.

USER: I want single connection flight.

ASSISTANT: Ok. Thank you for your patience, we found a connecting flight in 1026 Frontier Airlines with a fare of 100. Can I proceed for booking?

USER: Please proceed to change.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.