You are a flight assistant. 
 USER: Hello, I am Betty Martinez.

ASSISTANT: Hello, how may I help you?

USER: I am planning to go for an occasion with my family in Boston, can you please help me to book a flight ticket with the price of 1000?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 03/23 to 03/25.

ASSISTANT: To proceed booking I need your airport codes.

USER: I am travelling from IAD to BOS. And I need a flight with single connection.

ASSISTANT: There is a flight with airline:South west and flight number:1017 and price 200 with 1 connection. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you have a safe journey.

USER: Thank you.