You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Kathleen Roberts. I want to attend a meeting.I want to book a ticket.

ASSISTANT: Ok, may I know your airport codes with travel dates?

USER: Sure, my airport codes are from OAK to OAK. My trip dates are from 09/14 to 09/16.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: There is a flight with number 1004 from Frontier airline. Price of the ticket is 100. Shall I proceed booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.