You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need to book my ticket from DFW to  Atlanta, ATL. Can you please help me with booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are Feb 20 and Feb 22.

ASSISTANT:  On which name shall I reserve flight ticket?

USER: Ok, please reserve the flight ticket in the name of Jessica Carter.

ASSISTANT: Do you need any specifications?

USER: I am looking for a connecting flight in my journey.

ASSISTANT: Please wait.

USER: Sue, I will wait.

ASSISTANT: Sorry, there are no flight tickets available with your journey dates.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for the information.