You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Donald Brown.

ASSISTANT: Ok.

USER: I am planning to attend my brother's marriage at Washington IAD, can you help me with booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I have your journey dates please?

USER: My depart date is 05/02 and arrival date is 05/04.

ASSISTANT: Help me with your origin airport code?

USER: My origin airport code is Charlotte NC-CLT.

ASSISTANT: Thanks for your details, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight with fare of 100. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1018 flight in Southwest airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.