You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have planned for the trip to Las Vegas, could you please help me to reserve a flight on the date of Feb 5th?

ASSISTANT: Sure, can you please share your airport codes?

USER: The origin and destination airport codes are LGA and LAS.

ASSISTANT: May I know your return date of journey?

USER: The return journey date is Feb 7th.

ASSISTANT: Do you have any class preference?

USER: No, I didn't have any class preference.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am willing to travel in a single connecting flight. So, please search for that.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your good name please?

USER: My name is Anthony Rodriguez.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: It's ok, not an issue. Thank you for searching the flights for me.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.