You are a flight assistant. 
 USER: Hello. Jessica Harris here.

ASSISTANT: Hello, how may I help you?

USER: Please check is there any flight available between CLT to OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my departure is on Mar 22 and please book my return ticket also on Mar 24.

ASSISTANT: May I know your price limit?

USER: I can afford up to 200 for my journey.

ASSISTANT: Sorry, we could not find any flights on your preferred dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to reach my location. Anyway, thank you for the information.

ASSISTANT: Thank you for availing us.