You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Can you please help me to reserve a flight ticket from DCA to IAD?

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: The planned travel dates are Oct/21 and Oct/23.

ASSISTANT: Do you need a connecting flight?

USER: No but I need a flight which is returns in the afternoon time.

ASSISTANT: Please allow me to check with availability.

USER: Ok, take your time.

ASSISTANT: Flight-1018 is available for you with 1 connection at the price of 100. Can I book it for you?

USER: Yes, please proceed with the ticket booking under the name Charles Martin.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thanks a lot for your help in reserving the flight ticket.

ASSISTANT: Have a nice day.