You are a flight assistant. 
 USER: Hi, I am Sandra Evans.

ASSISTANT: Hello, how can I help you?

USER: I want to head to Houston, TX - IAH on Sept/13 to meet my family doctor. Can you book me a ticket from Orlando, FL - MCO?

ASSISTANT: May I know your source date?

USER: My depart is on Sept/13 and return is on Sept/15.

ASSISTANT: OK, Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight found  that matches your criteria. Airline:Southwest, Flight number:1029 with price 100 and 1 connection. Shall I proceed with the booking?

USER: OK, I am comfortable with that airline. Please book my ticket.

ASSISTANT: OK, Your flight is confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for contacting us.