You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Debra Thompson from Dallas.

ASSISTANT: How can I assist you, Debra?

USER: I would like to spend my weekend time at Detroit with my friends, please help me in booking a ticket.

ASSISTANT: Ok Debra, when are you planning your journey?

USER: I would like to plan my journey on 07/25 and return on 07/27.

ASSISTANT: Debra, may I know your nearest airport codes please?

USER: My source and destination airport codes are DFW and DTW.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: AA airlines is providing service on your preferred journey dates with price 200. Shall I book the ticket for you?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed with flight 1022.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a safe journey Debra.