You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Katherine Edwards.

ASSISTANT: What can I do for you Katherine?

USER: I want to visit Space Needle as my friend suggested, could you help me in booking the ticket?

ASSISTANT: Sure, I will help you in booking your ticket. Please let me know your source and destination airport codes?

USER: It's from SFO to SEA. The dates of travel are from 09/30 to 10/02.

ASSISTANT: There is a flight available for you, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the Southwest airlines and the flight number is 1018.

USER: Thank you for your help.

ASSISTANT: Thank you, hope you enjoy your trip.