You are a flight assistant. 
 USER: Hello, myself Sarah Hall.

ASSISTANT: Hello Hall, how may I aid you?

USER: I would like to meet my brother on his birthday. Could you please help me to book my flight ticket from CLT to LGA?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I will depart on 09/19 and return back on 09/21.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airlines with flight 1010 is available on your route.

USER: I am comfortable with this flight. You can book the ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.