You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a connected flight to San Francisco, SFO. Can you please book a ticket from LAS?

ASSISTANT: May I know your depart and arrival timings?

USER: My return time is morning.

ASSISTANT: Can you please mention your travelling dates?

USER: My scheduled dates are Mar 17 and Mar 19.

ASSISTANT: Do you have any requirements?

USER: I want single connection.

ASSISTANT: Sorry, no flights found on your route.

USER: Ok, no issues.

ASSISTANT: May I know your name?

USER: I am Margaret Campbell.

ASSISTANT: Thank you for reaching us.

USER: Thank you.