You are a flight assistant. 
 USER: Hello, I am Amy White.

ASSISTANT: Hello, what can I do for you today?

USER: Can you aid me in booking a flight ticket from MSP to BOS?

ASSISTANT: Sure, may I know your travelling dates.

USER: I am planning to start on May 19th and return back on May 21st.

ASSISTANT: Ok, please provide your class preference.

USER: Any class is fine for me.

ASSISTANT: Ok, at what time would you like to depart and return?

USER: I want to return back in afternoon.

ASSISTANT: Ok, kindly mention your connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Ok, please wait for few minutes.

USER: Take your time.

ASSISTANT: There are no flights found on your requested dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.