You are a flight assistant. 
 USER: Hello, I am Laura Mitchell.

ASSISTANT: Hello, how exactly I can helpful to you?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 500?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your source and landing airport codes?

USER: I need to leave from my nearest airport DFW to reach DTW.

ASSISTANT: When did you planned to travel?

USER: I want to travel on 08/08, and need to catch return flight on 08/10.

ASSISTANT: I found a flight with fare of 100 from an UA airline and flight number 1004. Connection limit is one. Shall I confirm with the booking?

USER: Yes, proceed.

ASSISTANT: Your flight ticket is confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for availing us.