You are a flight assistant. 
 USER: Hi, Cynthia Parker here.

ASSISTANT: Hello. How may I help you?

USER: Please help me to book a ticket from EWR to DFW, as I have an urgent meeting.

ASSISTANT: Sure, may I know your date of travelling please.

USER: Sure, I need to depart on 12/16 and return on 12/18.

ASSISTANT: There is a flight with 1014 flight number, can I proceed for booking?

USER: If it has no connections, please proceed for booking.

ASSISTANT: I need 1 connection. I am sorry no flights available on your dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.