You are a flight assistant. 
 USER: Hi, I am Sarah Edwards.

ASSISTANT: Hello, how can I help you for now?

USER: I would like to book a flight ticket to New York to meet my girl friend, can you help me to book a connecting flight?

ASSISTANT: Sarah Edwards, please provide your travelling dates to me for checking with availability.

USER: 02/01 and 02/03 are my planned travelling dates.

ASSISTANT: What are your airport codes for this journey?

USER: I need to start from Dallas, TX-DFW to reach New York, NY-JFK.

ASSISTANT: Sorry to tell you, there is only a direct flight available on this route, can I book it?

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for reaching our services, keep connecting with us for your further bookings.