You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: Sure, my journey dates are Dec 24 and Dec 26.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Is there any other specifications?

USER: I would like to fly in a standard airlines.

ASSISTANT: Please share your name.

USER: Sure, Mark Evans here.

ASSISTANT: Sorry to say, no flights found with your requirement.

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

ASSISTANT: Thanks for reaching us.