You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Hernandez.

ASSISTANT: How may I assist you?

USER: I am looking for a flight from ORD to LAS, can you help me out?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My trip dates are from June 1st till June 3rd.

ASSISTANT: In which class, you want me to book your flight ticket?

USER: No, I need my return flight in morning session.

ASSISTANT: May I know your connection limit please?

USER: I am looking for a connecting flight.

ASSISTANT: Wait a moment please, in the mean while you can share your other preferences if you have?

USER: Ok, I wait and I don't have any requirement.

ASSISTANT: Cynthia Hernandez, there are no flights available in your route.

USER: That's ok, not an issue. Thank you for reaching us.

ASSISTANT: Thank you for choosing us.