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 to BOS from DEN?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My travel dates are from Jul 06 to Jul 08.

ASSISTANT: May I know your name please?

USER: I am Nancy Garcia.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the afternoon. I need a connecting flight.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.