You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from EWR to BOS, can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your planned travel dates?

USER: Sure, my journey dates are Nov 23 and Nov 25.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Any other preferences?

USER: I would prefer return time at evening.

ASSISTANT: Can I have your name please?

USER: Sure, Jessica Mitchell here.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your given details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.