You are a flight assistant. 
 USER: Hello, I am Thomas Edwards.

ASSISTANT: Hello, how may I oblige you today?

USER: I am planning to for Yosemite Adventure  at San Francisco with my friends. Can you please help me in booking a ticket under price 500?

ASSISTANT: Sure, could you please share your planned dates?

USER: My planned dates of travel are from 08/24 to 08/26.

ASSISTANT: Do you have any preference connections?

USER: I need a connection in between my journey.

ASSISTANT: Ok, kindly specify your journey locations?

USER: My source is at Houston, TX-HOU and destination is at San Francisco, CA-SFO.

ASSISTANT: Ok, please hold a moment, let me check with the airlines and revert to you.

USER: Ok.

ASSISTANT: Thanks for your valuable time, we are happy to notify you that we have found a UA airline, flight number-1002 connections-1 and price limit is 100. Would you like me to go on?

USER: You can go ahead with booking.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great day ahead.