You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I support you today?

USER: I am Stephen Garcia. I would like to book a flight ticket from Houston, HOU to Chicago, ORD. Can you help me with Connecting flight?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are on 03/02 & 03/04.

ASSISTANT: Do you have any price limit?

USER: I can bare only 200 for my ticket.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, no flights are available with your given budget.

USER: Ok, no problem.

ASSISTANT: Thanks for availing us.

USER: Thanks for your help.