You are a flight assistant. 
 USER: Hello. I'm Dorothy Hall.

ASSISTANT: Hello. How can I help you?

USER: I'm planning to meet my girl friend, could you help me in booking a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferable dates are from 04/27 to 04/29.

ASSISTANT: Can you provide your source and destination.

USER: My airport codes are LAX and SEA.

ASSISTANT: As per your requirement I found a ticket .The price is 100 and flight number is 1027. Is it ok for you?

USER: Yes, please book the ticket.

ASSISTANT: I confirm your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Thank you.