You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I'm Richard Rodriguez here.

ASSISTANT: Good morning Richard.

USER: I want to travel from CA-OAK to AZ-PHX, can you please help me to book a ticket to visit the restaurant at Phoenix?

ASSISTANT: Sure, I will help you with that. On which dates do you want to travel?

USER: My preferable dates of trip is from 08/10 to 08/12.

ASSISTANT: Ok, please be hold on for a while let me check for flight availability.

USER: Sure, try with your best.

ASSISTANT: Thank you for waiting. Frontier airlines is running a flight in your required route with connection 1.

USER: Please make sure that price is 200.

ASSISTANT: Yes, it costs 100, I hope it will fine with you. Shall I book it for you?

USER: Please book it.

ASSISTANT: Ok Richard, your required ticket has confirmed with flight number 1015.

USER: Thank you for your help.

ASSISTANT: My pleasure. Thank you for choosing us. Hope you will have a great journey.

USER: Welcome.