You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Joseph Campbell.

ASSISTANT: How can I assist you?

USER: I want to attend my friend marriage in Charlotte, can you please search a flight with 1 connection?

ASSISTANT: Sure, I will help you in searching, can you please provide me your travelling dates?

USER: Ok, my travelling dates are from 07/15 till 07/17.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are from DCA to CLT.

ASSISTANT: Ok, give me a moment.

USER: Ok, take your time.

ASSISTANT: There is one flight is available for you with single connection, shall I proceed for booking?

USER: That's great, please proceed.

ASSISTANT: Your ticket is confirmed with flight number 1003 and airline is AA.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us.