You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Allen here.

ASSISTANT: How may I guide you today?

USER: I am a model, I have to reach Charlotte for my photo shoot. Please book my ticket from LAX to CLT.

ASSISTANT: I will help you with that. Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: My itinerary dates are 09/03 and 09/05.

ASSISTANT: Wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found.

USER: It's ok, thank you.

ASSISTANT: Thank you for contacting us.