You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking a flight ticket from BOS to DCA?

ASSISTANT: Sure, can you share your travel dates?

USER: My travel dates are from Mar 16th to Mar 18th.

ASSISTANT: Is there any connection limit?

USER: Yes, I want a single connection in between my journey.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Christine Thompson.

ASSISTANT: Thanks for your details, there are no flights found on your specified trip dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.