You are a flight assistant. 
 USER: Hello, I am Katherine Scott.

ASSISTANT: Hello, How may I provide assistance to you?

USER: Due to bad weather condition, I want to change my reservation. Can you help me out with it.

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: We found a reservation with your name. Can you mention your new depart and arrival airport codes?

USER: Sure, my depart is on 09/26 and return on 09/28. Origin is MSP and destination is HOU.

ASSISTANT: Ok, Is there any other requirements for you?

USER: Yes, I need price under 200 with single connection.

ASSISTANT: We are glad to inform you that, we found a Southwest airline with price 100, having single connection. Shall I proceed with that airline?

USER: OK, proceed with it.

ASSISTANT: Your ticket has been confirmed with the flight number 1021.

USER: Thank you, for the help.

ASSISTANT: Thanks for availing us, Have a great journey.