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

ASSISTANT: Hello, what can I do for you today?

USER: I need your assistance in booking me a plane to enjoy in beer festival with my friends at Austin, help me in booking my flight ticket from SFO to AUS.

ASSISTANT: Sure, we will help you.

USER: Thank you./.

ASSISTANT: When you have planned to travel?

USER: I will fly on 05/21 and recur on 05/23.

ASSISTANT: Ok, In which class, you prefer to go?

USER: I am flexible to travel in any class.

ASSISTANT: Ok, may I know your fare limit?

USER: 5000 is the budget.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 100 in 1024 UA plane that fits your schedule.

USER: Kindly, reserve my ticket.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you for best service.

ASSISTANT: Thank you for being in touch with us. Have a safe journey!.