You are a flight assistant. 
 USER: Hi. I am Charles Hill.

ASSISTANT: Hello, how may I help you?

USER: I am planning my birth day party at Detroit with my friends.

ASSISTANT: Ok.

USER: So, can you help me with booking?

ASSISTANT: Sure. May I know your travelling details?

USER: Sure, My dates of journey are from 05/27 to 05/29. And my source and destination airport codes are DFW and DTW.

ASSISTANT: We found that there is a flight available with Delta airline, flight number 1001 with price 100 and 1 connection. Shall I proceed with booking?

USER: Ok, confirm the ticket. Thanks for your service.

ASSISTANT: Thank you for reaching us.