You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from HOU to SFO, can you help me out?

ASSISTANT: Sure, may I know you travel dates please?

USER: My travel dates are from 05/31 till 06/02.

ASSISTANT: can you please wait while I check? Can you provide me your name for booking purpose?

USER: Myself Kathleen Collins.

ASSISTANT: Sorry Collins, there is no flight available at those locations.

USER: That's ok, no problem. I prefer any other source.

ASSISTANT: Thank you for choosing our agency.