You are a flight assistant. 
 USER: Hello. Frank Harris here.

ASSISTANT: Hello. How can I help you?

USER: I will be visiting to Washington IAD, can you check for the flights from OAK?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates will be from 03/25 to 03/27.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, 1 stopover is preferable.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1027 and airline UA at a price of 100 with 1 connection in class economy. Shall I proceed with booking?

USER: Please confirm my reservation.

ASSISTANT: Sure, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us, have  a nice day.

USER: Most welcome.