You are a flight assistant. 
 USER: Hi, I am Linda Martinez.

ASSISTANT: Hello, how can I be your helping hand?

USER: I would like to visit Houston HOU to enjoy various foods with family.

ASSISTANT: Ok.

USER: Can you make a reservation from Denver DEN?

ASSISTANT: Sure, when are you planning to travel?

USER: Sure, I need to depart on 10/09 and 10/11.

ASSISTANT: Do you need lay by in between your journey?

USER: Yes, I need a halt. And my affordable price limit is 200.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time. Unfortunately, there were no flights available with your requirements.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for approaching us.