You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to reserve ticket from BOS to SEA, can you please help me?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my travelling dates are Jun, 11 and 13.

ASSISTANT: Do you have any connection limit?

USER: Yes, flight has to be with a single connection.

ASSISTANT: Is there any preference?

USER: Yes, I prefer to economy class to travel.

ASSISTANT: May I know your arrival and depart timings?

USER: Sure, I need a depart time at evening and return time at evening.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: Please forward your name.

USER: Sure, my name is Andrew Hernandez here.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.