You are a flight assistant. 
 USER: Hi, I am Justin Garcia.

ASSISTANT: Hello, how may I assist you today?

USER: I want to visit Comerica park at Detroit, can you please help me in reservation?

ASSISTANT: Sure, please share your source and destination airport codes?

USER: My source is Washington, DC-IAD. My destination is Detroit, MI-DTW.

ASSISTANT: When are your willing to travel?

USER: My journey dates are from 01/16 to 01/18.

ASSISTANT: We are are happy to inform that in Spirit airline we found a ticket for you. Shall I proceed for booking with fare of 100 having a halt?

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for approaching us.