You are a flight assistant. 
 USER: Hello, I am Patricia Wilson.

ASSISTANT: Hello, how may I support you today?

USER: I am planning to visit My grand father's house in Philadelphia, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are glad to help you. May I know your airport abbreviates that you wish to board and land?

USER: I need to fly out from CLT to PHL.

ASSISTANT: How much can you afford for a ticket fare?

USER: My price is 500.

ASSISTANT: Help me with the trip dates that you have planned?

USER: My trip dates are 05/25 to 05/27.

ASSISTANT: Thank you for your details, we found a flight from an airline Spirit of number 1016 having a single connection with a price of 100. Shall I proceed to book?

USER: Ok, please confirm my flight ticket.

ASSISTANT: Your flight ticket is done with the booking.

USER: Thanks for your service.

ASSISTANT: Thank you for opting our airlines. Have a nice day.