You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Samantha Adams.

ASSISTANT: How may I assist you?

USER: I need to book a ticket to meet my friend on her birthday. Could you please help me in booking a ticket from DTW to MSP?

ASSISTANT: Sure. Please let me know your travel dates?

USER: My travelling dates are 07/01 and return on 07/03.

ASSISTANT: Ok. Please specify flight connections limit?

USER: Yes, I need a single connection.

ASSISTANT: I regret, no flight found.

USER: No problem, thank you for your information.

ASSISTANT: Thanks.