You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a flight ticket from DTW to HOU to attend a meeting in Houston?

ASSISTANT: Sure, please share me your travel dates.

USER: My journey dates are, depart on June 5th, and arrival on June 7th.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer a connecting flight in my journey.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Kathleen Mitchell.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class.

ASSISTANT: We found a Frontier airline and 1015 is flight number with a fare of 200. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.