You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Donna Green from Detroit. I would like to travel from DTW to PHX for an important meeting, can you please search is there any flight available for me?

ASSISTANT: Please can you share your travelling dates?

USER: Thank you. I want to departure on May 11 and please confirm my return ticket also on May 13.

ASSISTANT: Do you need any specifications?

USER: Yes, I want 1 halt in between my journey.

ASSISTANT: There is flight in business class with SouthWest airlines and fare of 900. Shall i proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is reserved with flight 1011.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.