You are a flight assistant. 
 USER: Hello. I am Paul Williams.

ASSISTANT: Hello, how can I assist you today?

USER: I planned a trip Austin for Nutshell Bike Tour, can you help me to book a flight under fare of 5000?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will travel on 01/30 and plan to return on 02/01.

ASSISTANT: Please share me your source and destination codes.

USER: My source is TX-HOU and destination is TX-AUS.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Frontier, flight number: 1026 with a single connection and price is 200. Shall I proceed to booking?

USER: Sure.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking flight ticket.

ASSISTANT: Thank you for opting us.