You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Donna Baker here.

ASSISTANT: How may I help you?

USER: I would like to meet my friend at Boston, will you help me in booking the flight ticket from HOU to BOS?

ASSISTANT: May I know your travel dates?

USER: Ok, my preferable trip dates are from 12/20 to 12/22.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1011. Shall I proceed with this flight?

USER: It's perfect, please reserve this flight.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.