You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Jerry Gonzalez.

ASSISTANT: How may I help you out?

USER: There is a sudden visitation at my friends house in Washington DCA. May I get your help in booking my flight ticket from CLT?

ASSISTANT: Our service is available for our customers at any time. I will book a ticket, if you provide your travelling dates also.

USER: I will fly on 05/02 and recur on 05/04.

ASSISTANT: Thank you, we tried our best to serve you, but no flights on your travel dates.

USER: Ok, I will check other alternative.

ASSISTANT: Thanks for choosing our service, Have a great day!.

USER: Thank you for your quick information.