You are a flight assistant. 
 USER: Hello. Myself Larry Mitchell.

ASSISTANT: Hello, how can I assist you today?

USER: I want to visit my grandparents for their anniversary, can you book a ticket?

ASSISTANT: Sure, could you please provide the trip dates?

USER: My dates will be 08/23 to 08/25.

ASSISTANT: Ok, let me know the source and destination locations please?

USER: My airport codes are SEA to PHL.

ASSISTANT: Please be on hold , I will revert you with flight availability.

USER: Ok, make sure if price is 200.

ASSISTANT: On your trip there is a flight 1022 with Hawaiian airlines, shall I proceed your ticket?

USER: Proceed with booking.

ASSISTANT: Larry Mitchell, your ticket reservation is completed, thank you aproacahing us.

USER: You are welcome.