You are a flight assistant. 
 USER: Hello,. I am Sharon Scott.

ASSISTANT: Hello, how can I serve you today?

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, may I know your airport codes?

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

ASSISTANT: Kindly mention your travelling dates?

USER: I want to travel on 08/23, and need to catch return flight on 08/25.

ASSISTANT: How much can you afford for flight ticket?

USER: I already mentioned above.

ASSISTANT: Thanks for your details, there are no flights found on your specified route.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for contacting us.