You are a flight assistant. 
 USER: Hello. I am Nicole Wright.

ASSISTANT: Hello, how could I assist you today?

USER: I would like to visit Comerica Park at Detroit, can you please book me a ticket?

ASSISTANT: Sure, when would you like to travel ?

USER: I would like to travel on 03/19 and return on 03/21.

ASSISTANT: Ok, Do you need any lay by in the journey?

USER: Yes, I prefer one lay by in between journey.

ASSISTANT: Sure, please provide your near by airports ?

USER: My preferable airport codes are from DFW to DTW.

ASSISTANT: Ok, may I know your price limit?

USER: I can afford up to 1000.

ASSISTANT: Ok, please wait for some time.

USER: Ok.

ASSISTANT: Thank you for your time, there is  1020 Spirit airline with fare of 700 matches your travelling schedule. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a safe flight.