You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to change my reservation as location of my exams is changed, can you please help me with that?

ASSISTANT: Sure, may I know your name?

USER: Scott Lopez here.

ASSISTANT: I have found your reservation, can I have your new airport codes?

USER: My airport codes are LGA to SFO.

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are in Sept form 3rd to 5th.

ASSISTANT: Do you have any requirements?

USER: I want to depart in the morning. I prefer to travel in economy class. I want a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight 1006 of United Airlines, can I proceed?

USER: Please proceed if all my requirements are met.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: Welcome.