You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to Google Agency.

USER: My name is Dennis Lopez.

ASSISTANT: What can I do for you Dennis?

USER: I want to attend my friend's bachelor's party, could you help me in booking the ticket?

ASSISTANT: Yes, I can help you with that. Please provide the dates of travel?

USER: The dates of travel are from 06/07 to 06/09.

ASSISTANT: Ok Dennis, tell me your airport codes?

USER: My airport codes are from LAX to LAS respectively.

ASSISTANT: I'm sorry to inform you that there are no flight available based on your details.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a nice day.