You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to book a flight from DTW to SFO?

ASSISTANT: Sure, can you share me your travel dates?

USER: I want to depart on Feb 22 and need to return on Feb 24.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Jessica Lee here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.