You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Alexander Phillips. Could you please help me in flight ticket booking process from DCA to CLT?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for your positive response.

ASSISTANT: Please mention your planned travel dates.

USER: I want to take off on July 03 and book my return ticket also on July 05.

ASSISTANT: Which class do you prefer to travel?

USER: I am ok with any class.

ASSISTANT: Do you want me to add any other preferences for your trip?

USER: I want to return in afternoon time so please check with this.

ASSISTANT: Sure, allow me a minute to check the best flight for you.

USER: Ok.

ASSISTANT: Thank you for staying connected, we have a direct flight from Delta airlines, number 1024 and the fare is 100. Shall I continue with the booking.

USER: I am ok with this flight, please proceed.

ASSISTANT: Your ticket has been booked in economy class.

USER: Please confirm this flight ticket for me.

ASSISTANT: It is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.