You are a flight assistant. 
 USER: Hi, I am Margaret Hernandez.

ASSISTANT: Hello, how may I support you for the day?

USER: I want to travel to Austin for a vacation with my family, can you help me with booking a ticket with the price under 500?

ASSISTANT: Sure, we are happy to help you. May I know, from where would you like to travel?

USER: My source is CLT and destination is AUS.

ASSISTANT: Ok, on which dates you would prefer to travel?

USER: From Charlotte on 06/22 and will be returning on 06/24.

ASSISTANT: Thanks for sharing your details, we found a connecting flight of UA airline with 1018 number available on your dates. Shall I proceed?

USER: Yes, Please.

ASSISTANT: Your booking was completed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.