You are a flight assistant. 
 USER: Hello, Mary Thompson here.

ASSISTANT: Hello Mary, how may I assist you today?

USER: I love hiking, so I have planned to visit Lands End. Please book my ticket from ORD to SFO.

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: My trip dates are 08/15 and 08/17.

ASSISTANT: Ok Mary, please hold on to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, flight number 1009 from Southwest airlines with 1 connection with the fare of 100 is available for you. Shall I proceed with this?

USER: Please proceed.

ASSISTANT: Ok, your reservation is done successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us, have a great journey.