You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking a flight ticket from SFO to PHL?

ASSISTANT: Sure, help me with the trip dates?

USER: I want to travel on 09/29, and return on 10/01.

ASSISTANT: Do you have any preferences?

USER: I prefer for economy class.

ASSISTANT: May I know your name please?

USER: I am Sarah Jones.

ASSISTANT: We found a flight in an airline Spirit with 1001 number having a single connection price of 100 in an economy class. Shall I reserve?

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.