You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Charles Miller. I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 5000?

ASSISTANT: Sure, can you share your trip dates?

USER: I want to travel on 04/26, and need to catch return flight on 04/28.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: May I know your journey airport codes?

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

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1013 in airline Southwest, the fare is 100. Can I book it?

USER: Proceed with the booking.

ASSISTANT: Your ticket is reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.