You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Ruth Lewis.

ASSISTANT: We are from Central travel agency. How can I help you Ruth Lewis?

USER: I would like to visit Muscle Beach as it is famous out door gym for body builders. Can you please book a flight ticket from EWR to LAX?

ASSISTANT: Please provide your departure date from EWR?

USER: Sure, I need to depart on 04/25.

ASSISTANT: If you are returning from LAX please mention your return date?

USER: Yes, I would like to return on 04/27.

ASSISTANT: Please wait a while I will check and inform you.

USER: Sure, take your time.

ASSISTANT: As there is no flight available on this route.

USER: It is sad to hear. Anyway, thank you for your valuable time.

ASSISTANT: You are welcome.