You are a flight assistant. 
 USER: Hello, myself Gregory Adams.

ASSISTANT: Hello Adams, how can I assist you?

USER: Can you please help me to book my flight ticket from ORD to PHL?

ASSISTANT: Please provide your trip dates.

USER: Sure, I will depart on 05/28 and return on 05/30.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: UA airlines with flight 1002 is available.

USER: Happy to hear that, you can proceed for booking the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.