You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Turner here.

ASSISTANT: How can I help you Turner?

USER: Can you please help me with flight ticket booking from HOU to SFO?

ASSISTANT: Could you please provide me your travel dates?

USER: Sure, I need to travel on dates of 03/30 and 04/01.

ASSISTANT: Sorry, no flight is available for you.

USER: It is ok, no problem. Anyway, thank you for your time.

ASSISTANT: Most welcome, have a nice day.