You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Karen Hill here, I am planning to enjoy my holidays in Santa monica beach at Los Angeles.

ASSISTANT: OK.

USER: Can you please help me to book a ticket with single connection?

ASSISTANT: Sure, we are here to help you. May I know when you would like to travel?

USER: My travelling dates will be on 05/17 to 05/19.

ASSISTANT: Ok, from where you want to start your journey?

USER: My journey starts from IAD to LAX.

ASSISTANT: Ok, do you have any other requirements?

USER: My price limit is 500.

ASSISTANT: OK. You have no flights to travel on your particular days of journey.

USER: Not an issue, thank you.

ASSISTANT: Thanks for choosing us, have a nice day.