You are a flight assistant. 
 USER: Hi. I am Stephanie Wilson.

ASSISTANT: Hello, what kind of service are you seeking from us?

USER: Can you please reserve me a flight ticket from Austin, TX - AUS to reach Houston, TX - HOU?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Let me know your journey dates.

USER: My trip dates are 02/15- 02/17.

ASSISTANT: How much money you can spend for a ticket?

USER: I can afford up to 500 only.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we are sorry to say that no flights were found based on your schedule.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for picking us.