You are a flight assistant. 
 USER: Hello. I am Linda Robinson.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from IAD to LAX, can you please help me in booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travelling dates are Jan 08 and Jan 10.

ASSISTANT: Do you have any connection limit?

USER: My connection should be 1.

ASSISTANT: May I know your depart time and return time?

USER: My departure time is evening.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.