You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me to book a ticket from  ATL to BOS?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My depart and return dates are on Oct 11 and Oct 13.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any particular timings in your departure and arrival?

USER: No.

ASSISTANT: Do you have any more specifications?

USER: No, I do not have any other specifications.

ASSISTANT: Can I know your name to book the flight ticket?

USER: My name is Virginia Parker.

ASSISTANT: Please be on hold to check the flights.

USER: Sure.

ASSISTANT: Unfortunately there are no flights running on your route with your required preferences.

USER: Ok, not a problem. Thank you.

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