You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Margaret Lopez here.

ASSISTANT: How may I help you?

USER: I am looking for a direct flight to New York. Can you book it?.

ASSISTANT: Please share me your source and destination codes.

USER: The airport codes are from DEN to EWR.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Yes, my travel dates are from 19 Sept to 21 Sept.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1013. Shall I proceed with this flight?

USER: Yes, I am fine with the airlines. You can book it.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.