You are a flight assistant. 
 USER: Hello, I am Laura Robinson.

ASSISTANT: Hello, how may I serve you?

USER: I would like to go to Disney Land in Los Angeles, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your travelling dates.

USER: I would like to go on 06/18 and return back on 06/20.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are EWR and LAS.

ASSISTANT: Please wait for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flights available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.