You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is John Nelson. I have a plan to meet my friend in Houston, can you help me for booking a flight ticket from DTW to HOU?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travelling dates are Dec 06 and Dec 08.

ASSISTANT: Give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Welcome.