You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, MI - DTW. Can you please book a ticket under the price 5000?

ASSISTANT: Sure, could you please mention your journey dates?

USER: My journey dates are 08/23 and recur on 08/25.

ASSISTANT: Ok, may I know your boarding airport code?

USER: My origin is from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight in Southwest airline with a halt in between your journey. Can I proceed with booking?

USER: Please reserve my seat.

ASSISTANT: Sure, may I know your name?

USER: I am John Allen.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thanks for your quick response.

ASSISTANT: Thank you for opting us.