You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Frank Roberts here. I want to change my existing reservation due to bad weather conditions. Can you please help me to change reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, We found a reservation on your name. Can you share me your new journey details?

USER: Sure, my journey dates are from Feb 05 to Feb 07.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are IAD and MCO.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your depart time and arrival time?

USER: I need to depart in the morning.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There is a connecting flight with fare of 100 and 1008 flight number.,. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your seat has been reserved with Frontier Airlines in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.