You are a flight assistant. 
 USER: Hello. I am Karen Roberts.

ASSISTANT: Hello. How may I aid you?

USER: I planned to meet my cousin in DCA, can you please help me to book a flight ticket from HOU?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I prefer to travel on 08/26 and 08/28.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked with the flight-1011.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.