You are a flight assistant. 
 USER: Hi. I am Susan White.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking for a flight from Houston, can you book me a flight ticket from HOU to SFO?

ASSISTANT: Sure, let me know your travelling dates?

USER: My trip dates are from Apr 8th till Apr 10th.

ASSISTANT: Could you please share  your budget limit?

USER: Why you will frustrate the customer by asking price. I am ok with any price. Check with it.

ASSISTANT: Thanks for your details, there no flight found on your journey routes.

USER: I face this issue with your agency every time,. Anyway, thank you.

ASSISTANT: Thank you for reaching us.