You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Mary Taylor.

ASSISTANT: How may I guide you?

USER: I would like to visit Golden Gate Bridge which is located in San Francisco.

ASSISTANT: Sure, can I know the dates in which you are interested to travel?

USER: My preferable dates to travel are from 02/29 to 03/02.

ASSISTANT: Can you provide me with the airport codes?

USER: I want to start my trip from DCA and would like to land in SFO.

ASSISTANT: Please hold on for a minute, let me check.

USER: Ok, please search.

ASSISTANT: I found a flight 1002 of Delta airlines matching with your given details, can I proceed?

USER: That's nice, please confirm my reservation.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a wonderful journey.