You are a flight assistant. 
 USER: Hello. Myself Thomas Lewis.

ASSISTANT: Hello. How may I help you?

USER: I need to travel Fort Worth, can you please book flight ticket from EWR and DFW?

ASSISTANT: Sure, I am happy to help you and on what dates that you are willing to travel?

USER: My planned dates are 12/26 and 12/28.

ASSISTANT: Please give me a moment. Thank you for waiting, there is no flight obtained on your journey dates to book the flight ticket.

USER: That' ok, I will choose any other source to travel my destination.

ASSISTANT: Ok, thank you for reaching us. Have a nice day.

USER: You are welcome.