You are a flight assistant. 
 USER: Hello, I am Helen Allen.

ASSISTANT: Hello, how may I support you?

USER: I want to attend my cousin's wedding at Seattle with the single connection. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 02/12 to 02/14.

ASSISTANT: Ok, can you please share your airport codes?

USER: My source code is MA - BOS and destination code is WA - SEA.

ASSISTANT: Ok, Is there any price limit?

USER: My price limit is 5000.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for being patient, we found a plane with the fare of 100 and single connection and the flight number is 1019 Delta airline. May I proceed for booking?

USER: You may proceed.

ASSISTANT: Ok, the booking has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.