You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: John white here, I want to meet my twin brother to discuss about our family issues. Could you book my ticket from DCA to CLT?

ASSISTANT: Sure, we are mirthful to assist you in booking. Please let me know your planned travelling dates to proceed further.

USER: My itinerary dates are June 29 and July 1.

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

USER: I need a connecting flight and I prefer normal-cost airlines.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Thank you for sharing your journey details, we found a economy class ticket in Delta airline with flight number-1009. Shall I book the ticket?

USER: Please book my ticket.

ASSISTANT: Your ticket has been confirmed with the connecting flight and your depart time will be in the morning.

USER: Thank you for assisting me.

ASSISTANT: Thank you for availing us.