You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking a flight ticket from Oakland, OAK to Houston, HOU?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are from Oct 08 to Oct 10.

ASSISTANT: Do you have any connection limit?

USER: I need a connection in between journey.

ASSISTANT: Any other preferences?

USER: My departure time is morning.

ASSISTANT: May I know your name?

USER: My name is Sarah Martinez.

ASSISTANT: Sorry, there are no flights found with your details.

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

ASSISTANT: Thank you.