You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Hernandez.

ASSISTANT: How may I help you?

USER: I want to travel from HOU to DEN. Can you book a flight ticket for me?

ASSISTANT: Sure, I am here to help you. Do you prefer a halt in between your journey?

USER: I want to have a connection of 1.

ASSISTANT: When would you like me to book your flight ticket?

USER: I want to travel in the flight on 11/27 and 11/29.

ASSISTANT: Please, wait a minute.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting. There is a flight available with fare 700 and single connection in business class. Shall I confirm this flight having 1008 as flight number?

USER: My budget for ticket is 500.

ASSISTANT: Sorry, there are no flights available that available under 500.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for approaching us.