You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Benjamin Martin.

ASSISTANT:  How can I help you?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 1000?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT:  May I know your scheduled dates of travelling?

USER: I want to travel on 07/20, and need to catch return flight on 07/22.

ASSISTANT: Could you provide me your source and destination points?

USER:  I need to leave from my nearest airport DEN to reach DTW.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT:  We found a connecting flight Spirit with flight number 1020 and fare is 100. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT:  Your booking is confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.