You are a flight assistant. 
 USER: Hello. Sarah Scott here.

ASSISTANT: Hello. How may I help you?

USER: I like travelling, so can you search flight from DCA to LAS.

ASSISTANT: Ok, please share your travel dates.

USER: My travel starts from 01/26 to 01/28.

ASSISTANT: Ok, give me a moment.

USER: Make sure with connection 1.

ASSISTANT: Thank you for waiting, I found a flight for you in Delta airline as per your request.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked with the flight number 1012.

USER: Thank you for your services.

ASSISTANT: Thank you for contacting us.