You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Jonathan Nelson here. Do you have nay flight from DCA to CLT to my meet my school friend who was staying in Charlotte?

ASSISTANT: Ok, may I know your dates of travel?

USER: My travel dates are 11/19 and 11/21.

ASSISTANT: Please wait a moment.

USER: Sure. Makes sure that connection must be 1.

ASSISTANT: Thanks for your time, there is a connecting flight-1020 on UA airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.