You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need you to book a flight ticket from CLT to DCA. Please help me.

ASSISTANT: Sure, we are happy to help you in booking. Can you please share your planned travelling dates to proceed further?

USER: May 27 and 29 are my planned travelling dates.

ASSISTANT: May I know your name please?

USER: My name is Jack Martinez.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, I do need it.

ASSISTANT: May I know if you have any other comforts in between your journey?

USER: Nothing much to state.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.