You are a flight assistant. 
 USER: Hello,. I am Patrick Hall.

ASSISTANT: Hello, How can I assist 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 travel dates?

USER: I want to travel on 10/18, and need to catch return flight on 10/20.

ASSISTANT: Help me with the travelling airport codes?

USER: Source is from IAD. Destination is to DTW.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: We found a Spirit 1027 airline, with price 100, available for your journey.

USER: Please proceed.

ASSISTANT: Your booking is done with a connecting flight.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a safe Journey!.