You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I abet you?

USER: I have planned for a trip and made a reservation yesterday. But now some friends have a problem to visit the trip. So, I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for the response.

ASSISTANT: May I know your good name please?

USER: Sure, Timothy Lopez is my name.

ASSISTANT: Please wait for a while.

USER: Ok, take your own time.

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

USER: Sure, I want to fly on 03/07 and return on 03/09.

ASSISTANT: May I know your airport codes?

USER: Boarding is from DCA and landing at LGA.

ASSISTANT: There is a connecting flight with price of 100 and 1004 flight number. Shall I proceed?

USER: Ok, proceed for that.

ASSISTANT: Your booking has been confirmed with Frontier airline.

USER: Thanks for your kind help.

ASSISTANT: Thanks for your kind approach.