You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

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

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

USER: Sure, my journey dates are Jul 15 and Jul 17.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Is there any other specifications?

USER: I would prefer depart time at aftenoon.

ASSISTANT: Please forward your good name.

USER: Sure, Shirley Carter here.

ASSISTANT: Sorry, no flights are found on your desired route.

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

ASSISTANT: Thank you for reaching us.