You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a connecting flight ticket to meet my parents at DC. Can you help me?

ASSISTANT: Sure, may I know your travel dates?

USER: Feb 04th and 06th are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: CLT and DCA are my airport codes.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Please share me your name.

USER: Dennis Thompson.

ASSISTANT: Flight-1000 is available with Delta airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: You can reserve it.

ASSISTANT: Your ticket has been reserved. Thank you.

USER: Thank you for your help in booking the flight ticket.