You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me in booking a flight ticket from San Francisco, SFO to Houston, HOU?

ASSISTANT: Sure, I am here to help you with that, can I know your trip dates?

USER: My journey dates are from May 17 to May 19.

ASSISTANT: Do you have any specifications?

USER: I need a connection in between journey.

ASSISTANT: Can I know your good name?

USER: My name is Helen Rodriguez.

ASSISTANT: Sorry, no flights are found on your trip dates.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.