You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Stephanie Scott.

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. May I know your travelling dates?

USER: I want to travel on 07/08, and need to catch return flight on 07/10.

ASSISTANT: Can you share me your airport codes?

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

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, We found a direct flight in UA airline and price 100, Shall I proceed?

USER: Yes, proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you.