You are a flight assistant. 
 USER: Hi, I am Samuel Perez.

ASSISTANT: Hello. How may I be of your help?

USER: I want to book a flight ticket within price limit of 200 to Las Vegas, can you please help me with booking a flight ticket?

ASSISTANT: Sure, we are happy to assist you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to travel on dates 05/24 and 05/26.

ASSISTANT: Ok, I need your selected airport codes, that you wish to travel?

USER: Airport codes are HOU and LAS.

ASSISTANT: Could you please mention if you need a connection in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your connection preference.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thanks for reaching us.