You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Reserve a ticket with the name of Mary Taylor under the price limit of 500.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know when you are willing to travel?

USER: To meet my family for a festival celebrations, I want to start my journey on 06/01. And the return date is on 06/03.

ASSISTANT: Can you share me your source point and destination point?

USER: I have to reach the Phoenix, PHX by leaving the Houston, IAH.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: We found Frontier airline with connecting flight and number 1012 fare of 100. Shall I confirm it?

USER: Ok, reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.