You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Lopez.

ASSISTANT: What type of service do you want from our agency?

USER: Can you please book a flight ticket from DTW to OAK to meet my aunt. Could you please help me with booking a connecting flight?

ASSISTANT: Sure, I am here to help you with the ticket booking. Can you please tell me your travel dates?

USER: Sure, Feb 6 and Feb 8 are my travelling dates.

ASSISTANT: Ok, how many halts do you need in between your journey?

USER: I need a single halt in between the journey.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no flight found in this route on the dates you have given.

USER: No worries, thank you for the information.

ASSISTANT: You are welcome. Thank you for reaching us.