You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you now?

USER: I need to buy a plane ticket from DTW to OAK. Please help me in that.

ASSISTANT: Sure, please share me your your travelling dates.

USER: My travel dates are from Oct, 04 to Oct, 06.

ASSISTANT: Do you have any limit on connections?

USER: I need a single connecting flight.

ASSISTANT: May I know your class preference for your journey?

USER: I am comfortable with any class.

ASSISTANT: Let me know your airline preference for your trip.

USER: I am happy with any airlines, please book my ticket quickly.

ASSISTANT: Can I know your departure and arrival timings?

USER: No, I do not have any specifications.

ASSISTANT: Please, provide me your name to proceed further.

USER: Stephanie Lee.

ASSISTANT: Frontier airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with flight 1018.

USER: Thank you for booking.

ASSISTANT: My pleasure.