You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I'm Elizabeth Rodriguez. I am planning to attend music concert at BOS, can you please help me with booking a flight ticket from DTW?

ASSISTANT: Can I know your travel dates please?

USER: Sure, I would like to take off on 07/05 and return back on 07/07.

ASSISTANT: Please wait for a while.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: UA airlines with flight number 1010 is available for you.

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done with price 100.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.