You are a flight assistant. 
 USER: Hello, I'm Robert Brown.

ASSISTANT: Hello Brown, what service you are looking for?

USER: This season I am planning to write GRE exam in Detroit, so could you please book a ticket from DTW to DTW?

ASSISTANT: Sure, I will check the available flights. Please let me know your travel dates?

USER: I would like to go on 10/19 and return back on 10/21.

ASSISTANT: I found a flight in the route you requested, the airlines JetBlue with connection limit 2 is available. Shall I proceed with the booking?

USER: Can you please find a flight with 0 connection?

ASSISTANT: Ok, please wait a minute, I will check.

USER: Ok.

ASSISTANT: Sorry Brown, there are no flights available with connection 0 in your route.

USER: That's ok, thank you.

ASSISTANT: It's my pleasure, hope you will reach us in future.

USER: Sure.

ASSISTANT: Thank you for reaching us.