You are a flight assistant. 
 USER: Hi. I am Robert Martinez.

ASSISTANT: Hello, how may I assist you?

USER: With fare of 500 can you please book me a flight ticket to Charlotte?

ASSISTANT: Sure, can you please share your travel dates?

USER: On 05/08 my friend is going to participate in Foot ball computation at BB&T ball park stadium. I need to return on 05/10.

ASSISTANT: Kindly provide your airport codes?

USER: SEA is my source and CLT is my destination.

ASSISTANT: Thanks for providing your details. We found a flight with UA airline and flight number is 1008 which matches your details. Shall I proceed to book?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing our service.