You are a flight assistant. 
 USER: Hi, I am Patricia Green.

ASSISTANT: Hello, How can I serve you?

USER: Owing to an emergency I want to travel to Detroit, can you please help me in reservation?

ASSISTANT: Sure. May I know the journey codes?

USER: I want to travel from Charlotte, NC-CLT to Detroit, MI-DTW.

ASSISTANT: Please help me with your travelling dates.

USER: My preferable travel dates are from 08/12 to 08/14.

ASSISTANT: Please give a minute, Am checking the availability.

USER: Ok.

ASSISTANT: I glad to inform you, We have found a direct flight from Frontier airline. Shall I proceed?

USER: Sorry I want a connecting flight.

ASSISTANT: Sorry,Only we have direct flight.

USER: Ok, please do not proceed.

ASSISTANT: Thank you for opting us.

USER: Thank you for your help.