You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Gary Lewis. During summer I would like to go to beach in Detroit, so can you please book a ticket from DEN to DTW?

ASSISTANT: Ok Lewis. I will check for the flights. Please tell me your trip dates?

USER: Please make sure the flight has only single connection. I would like to fly on 06/13 and return on 06/15.

ASSISTANT: Ok, please hold on for a minute. I will be back with the flight details.

USER: Ok.

ASSISTANT: There is a flight Delta airlines is available with connection 1. Can I book your ticket to this airlines?

USER: Can I know the fare of the flight?

ASSISTANT: The ticket fare for this flight is just 100.

USER: Ok, please proceed for further.

ASSISTANT: Ok, your ticket booking is done to the flight number 1027.

USER: Thank you.

ASSISTANT: Its my pleasure. Thank you for choosing us. Have a safe journey.