You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Ruth Thompson. I want to book a ticket.

ASSISTANT: Sure, Could you please provide your details?

USER: I will be departed from CA - SFO and will be arrived  to TX - IAH. And my travelling dates are Mar 24 and Mar 26. Can you make sure that the price limit of tickets should be below 5000 with only one connections.

ASSISTANT: OK, Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for being online, We are unable to find a flight based on your requirements.

USER: OK. Thanks for your time.

ASSISTANT: Thank you, Have a nice day.