You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Moore.

ASSISTANT: How may I aid you at this moment?

USER: I need to change my existing reservation, as my exam scheduled got postponed. Please help me in changing?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for few minutes.

USER: Ok.

ASSISTANT: We found active reservation on your name. Could you please share your new departure and arrival dates?

USER: Sure, my planned new trip dates are 01/12 and 01/14.

ASSISTANT: Ok, can you please share your source and destination airport codes?

USER: My airport codes are SEA to LGA.

ASSISTANT: We found a Frontier airline with fare of 300 and a halt in between the journey matches your schedule. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.