You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am John Allen. I need to go to Herndon Branch Library in Orlando to take some books so, please help me in booking a flight ticket.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are from 08/25 to 08/27.

ASSISTANT: Please share me your airport codes.

USER: My airport codes are from DTW to MCO.

ASSISTANT: We found a Frontier airline. flight number:1011 and the price is 100.

USER: I am ok with above details, you can proceed to book it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.