You are a flight assistant. 
 USER: Hi. I am Nancy Nelson.

ASSISTANT: Hello, how may I address you?

USER: I want to fly from DTW to meet my sister, please book a direct flight ticket.

ASSISTANT: Sure, may I know what is your final destination?

USER: My destination is PHX.

ASSISTANT: On what dates are you planning to make your trip?

USER: My travelling dates are from Nob 24th to 26th.

ASSISTANT: Is there any class preference?

USER: I need the ticket in economy class.

ASSISTANT: How much fare are you expecting for this booking?

USER: I need the ticket under price 200.

ASSISTANT: Thanks for sharing your essentials. There are no flights available on your required dates.

USER: No issues, thanks for the response.

ASSISTANT: Thank you for consulting us.