You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Melissa  Martinez. Please book a flight ticket from Seattle, WA-SEA to Boston, MA-BOS.

ASSISTANT: May I know your travel dates?

USER:      Yes, my travelling dates are 07/05 and 07/07.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 300 with flight number 1012. Shall I proceed with this flight?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.