You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Sandra Edwards. Can you help me to book a flight ticket from DEN to PHL?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Ok, my travel date is 03/17 and the return date is 03/19.

ASSISTANT: Here is a flight with 1 stop and price is 100. Can I proceed with it?

USER: Ok, book it.

ASSISTANT: Your ticket has been booked with 1020 flight in AA airlines.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.