You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your helping hand today?

USER: I want to fly form DFW -EWR, can you check the flight availability for that root?

ASSISTANT: Sure, we will help you, can you please forward your preferred journey dates?

USER: My planned travel dates are 08/04 and 08/06.

ASSISTANT: Do you prefer connecting or  direct flight in your journey?

USER: I want a flight with maximum connection of 0.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with normal - cost.

ASSISTANT: Is there any more specifications?

USER: No more, thank you.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: Sure, Nancy Johnson here.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights are available matching your requirements.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for availing us, have a good day.