You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am going for a tour from BOS to SEA, can you please book a flight ticket for my journey?

ASSISTANT: Sure, would you like to have a break in your journey?

USER: Thank you and I need a single stop over in my journey.

ASSISTANT: May I know your travel dates?

USER: I would like to depart on Feb 14 and I will arrive back on Feb 16.

ASSISTANT: Any other requirement to be met?

USER: I would like to depart in the afternoon time.

ASSISTANT: Ok, can you share your name please?

USER: I am Emily Clark.

ASSISTANT: Sorry, no flights found as per your request.

USER: It's alright, I can plan some other time. Thank you for your information.

ASSISTANT: Thank you for contacting us.

USER: Welcome.