You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to meet my parents after a long gap, please help me in booking a ticket.

ASSISTANT: Sure, I will help you with booking. Can you share your travelling airport codes?

USER: My travelling airport codes are SFO and AUS.

ASSISTANT: When you are going to start your journey and please share your return date also?

USER: My journey dates are 12/21 and 12/23.

ASSISTANT: May I know your name please?

USER: My name is Michelle Hill.

ASSISTANT: There is a flight in Southwest airline with connection 1 as per your details, can I proceed to booking?

USER: Ok, please book my ticket.

ASSISTANT: I confirmed your ticket by flight number 1020.

USER: Thank you for your help.

ASSISTANT: It's my pleasure, have a nice day.