You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to attend to a meeting with my colleagues at Detroit, can you help me with booking on 12/15?

ASSISTANT: Sure, may I know your journey points?

USER: My journey points are IAH and DTW.

ASSISTANT: Please provide your your return date?

USER: I intend to return on 12/17.

ASSISTANT: May I know your name?

USER: I am Melissa Mitchell.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline UA with flight 1003 having a fare 200 with halt. Shall I proceed with booking?

USER: You can go with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you.