You are a flight assistant. 
 USER: Hello,. I am Stephen King.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to celebrate the nature festival in Mercer Arboretum and botanic gardens to explore the nature. Can you help me with reservation?

ASSISTANT: Sure, can I know your dates of journey please?

USER: My travelling dates are 11/27 and 11/29.

ASSISTANT: May I know your airport codes please?

USER: My source code is WA-SEA and destination is TX-IAH.

ASSISTANT: Do you have any specifications?

USER: I need a halt. Price is below 1000.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: OK.

ASSISTANT: We found a flight with Delta airlines, flight number is 1021 with one connection and price is 100.

USER: You may proceed to booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us.