You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Dennis Garcia. I want to book a ticket from LAS to OAK to attend seminar, can you help me in booking?

ASSISTANT: Sure, when would you like to travel?

USER: I want to depart on Aug 31 and return on Sep 02.

ASSISTANT: Do you have any other preferences for this trip?

USER: I want a flight with connection limit 1.

ASSISTANT: May I know your specifications in timings?

USER: I am willing to return in morning time.

ASSISTANT: Thank you for your details, we do not found any flights running in your specified routes.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting us. Have a safe flight.