You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am Kevin Thompson. There is a client meeting at Seattle, so can you please help me in flight ticket booking on 07/09 and back on 07/11?

ASSISTANT: Sure, I am here to help you in booking. May I know your airport codes to proceed further?

USER: Thank you for accepting my request, my preferable airport codes are from OAK to SEA.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I can wait for your response.

ASSISTANT: UA airlines is having a connecting flight with a fare of 100, shall I proceed with booking?

USER: Yes, please book my flight ticket in the above flight.

ASSISTANT: Your ticket is confirmed with the flight-1023.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe journey.