You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Steven Jones.

ASSISTANT: How can I aid you today?

USER: I want to book a flight ticket from IAH to OAK. Can you help me in that?

ASSISTANT: Please share me your trip dates.

USER: My trip dates are Feb 25 to Feb 27.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your timings?

USER: My return should be in the morning.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.