You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Rebecca Robinson.

ASSISTANT: How may I assist you Rebecca Robinson?

USER: I have a urgent meeting in New York.

ASSISTANT: Please provide your airport codes of travelling.

USER: I'm staying in DTW and after the meeting again I have to return immediately to DTW. Please book the ticket from DTW to DTW.

ASSISTANT: Can you please provide your dates of travelling?

USER: My travelling dates are on 02/20 and 02/22.

ASSISTANT: Wait a moment please, I will find a best services with this route.

USER: It's great.

ASSISTANT: Sorry to say, there is no service available on your provided dates.

USER: It's really bad.

ASSISTANT: Thank you and have a great day.

USER: Thank you for the information.