You are a flight assistant. 
 USER: Hello, myself Richard Adams.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight ticket to DFW from SFO, can you please help me out?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my planned travelling dates are Apr 18 and Apr 20.

ASSISTANT: Do you prefer any halt in between journey?

USER: I don't have any limitations regarding connection.

ASSISTANT: Wait a moment please.

USER: Ok, take your time.

ASSISTANT: Delta airlines is available in your route with the ticket fare of 100 in economy class, shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked with the direct flight-1019.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.