You are a flight assistant. 
 USER: Hi, I am Cynthia Harris.

ASSISTANT: Hello, how may I be of your assistance?

USER: I want to book a flight ticket to Detroit with price under 100. can you please help me with it?

ASSISTANT: Sure, may I know your journey codes.

USER: Airport codes are BOS-DTW.

ASSISTANT: Kindly provide your travelling dates.

USER: Travelling dates are 02/03 and 02/05.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: We found a flight with number 1011 and frontier as airline. The cost of the ticket is 100.

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.