You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Could you help in booking a flight ticket from IAD to HOU.

ASSISTANT: Yes, can I know your name?

USER: Yes, my name is Stephanie carter.

ASSISTANT: OK, can you provide me the details of the flight?

USER: Sure, my travelling dates are 09/09 to 09/11.

ASSISTANT: Hold on for a moment. Do you have any additional requirements?

USER: Yes, price limit should be 500 and connection limit is 1.

ASSISTANT: The Flight 1014 of Spirit airlines matches with your preferences. Would you like me to book the ticket?

USER: Yes,you can proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Sounds good, thank you.

ASSISTANT: Thank you, have a safe journey.