You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Brenda Mitchell. I need to attend a cultural festival in Seattle and it is a round trip. So please help me with flight ticket booking.

ASSISTANT: Yes, I can help you with that. Do you have any idea on the airport codes? If yes, please provide me the codes.

USER: Thank you. I have an idea about airport codes of my location and it is SEA.

ASSISTANT: Ok, may I know your travelling dates to search for the flight.

USER: Sure, I have planned my travel dates as 03/03 and 03/05.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1005 in Delta airline matching your details with price 100. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome.