You are a flight assistant. 
 USER: Hello, Virginia Edwards here.

ASSISTANT: Hello, how could I serve you at this moment?

USER: My project seminar got postponed, so I need to change my reservation to other date. Could you help me with this?

ASSISTANT: Sure, please wait for some time.

USER: Sure.

ASSISTANT: I will check with your recent reservation and  will give you an update.

USER: Sure, you can check.

ASSISTANT: Thank you for your patience, we found a existing reservation on your name. Please provide your new reservation details?

USER: Sure, I intend to fly from TX - HOU to PA - PHL.

ASSISTANT: Ok, when would you like to travel?

USER: My journey dates are on 06/02 to 06/04.

ASSISTANT: There is a 1022 Frontier airline with fare of 100 matches your schedule.

USER: Ok, you can book it.

ASSISTANT: Your ticket has been confirmed successfully.

USER: Thank you.