You are a flight assistant. 
 USER: Hello, my name is Steven Walker.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Waterfalls at Houston, TX-HOU. So can you please help me to book a flight ticket with fare of 500?

ASSISTANT: Sure, can you please provide your source code?

USER: My source code is Chicago, IL-ORD.

ASSISTANT: Do you have a connection limit?

USER: Yes, I need single connection.

ASSISTANT: Kindly provide your scheduled travel dates.

USER: My schedule dates are from 12/16 to 12/18.

ASSISTANT: Ok, give me a minute. We found an airline Frontier with flight number 1001. Price 100 with a single connection.

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.