You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Please book a ticket from DTW to meet my childhood friend on his birthday.

ASSISTANT: Sure, please share your class preference.

USER: I prefer economy class.

ASSISTANT: May I know your connection limit?

USER: I want single connected flight.

ASSISTANT: Can you please share your depart and return dates?

USER: My journey dates are Oct 17 and Oct 19.

ASSISTANT: Do you prefer a low cost airline or normal cost airline?

USER: I prefer normal-cost airline.

ASSISTANT: Ok, Is there any other preference?

USER: No.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: To proceed further, may I know your destination point?

USER: My destination airport is Oakland, OAK.

ASSISTANT: Sorry to notify you that, there were no flights running to that location due to bad weather conditions.

USER: Ok, no issues.

ASSISTANT: Can I know your good name for documentation purpose?

USER: Sure, my name is Matthew Harris. Thank you.

ASSISTANT: Ok, thank you for choosing us.