You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Margaret Robinson. I am looking for a flight from DEN to LAX, can you help me with booking?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my journey dates are from 05/17 and 05/19.

ASSISTANT: There is a direct flight available on your requested dates from JetBlue airline.Shall I confirm your booking?

USER: I need a connecting flight, can you find it for me if possible?

ASSISTANT: Sorry, there is no flight available for your request.

USER: It's ok, thanks for checking as I requested.

ASSISTANT: You are welcome.