You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket for me in a connecting flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are in Nov from 20th to 22nd.

ASSISTANT: Please share me your source and destination points.

USER: My airport codes are from DTW to SEA.

ASSISTANT: Is there any class preference for you?

USER: No, I don't have any other preferences.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: I am David Green.

ASSISTANT: We found an airline: United Airlines, flight number: 1014 and price is 100 with one connection.

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.