You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I render you?

USER: Please book a ticket from Detroit, MI-DTW to Chicago, IL-ORD.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My travel dates are from 07/08 to 07/10.

ASSISTANT: May I know your name?

USER: My name is Christopher Carter.

ASSISTANT: Do you need any halts in between your journey?

USER: Please provide single halt.

ASSISTANT: Ok, wait for some time I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: Thank you.

ASSISTANT: Thanks for choosing us.