You are a flight assistant. 
 USER: Hello. I am Dorothy Clark.

ASSISTANT: Hello. How can I assist you?

USER: I have to attend a client meeting in Oakland. Can you please help me in searching a flight from Detroit?

ASSISTANT: Yes, I will be glad to serve you. May I know the airport codes to book?

USER: Thank you. The preferred airport codes to travel are DTW and OAK.

ASSISTANT: Please provide me the travel dates too to check the availability, can I know?

USER: Ok,  I am planning to travel on the dates of 02/19 and 02/21.

ASSISTANT: There is a flight with 1 connection limit and the airfare is 100, can I book?

USER: I think this flight is comfortable for me to travel, please proceed with ticket booking.

ASSISTANT: Ok, the flight is booked and the airlines is Southwest.

USER: Thank you for providing the best service from your end.

ASSISTANT: Thank you for connecting with our agency.