You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Melissa Hill.

ASSISTANT: Glad to meet you Hill.

USER: I have to attend a music event at BOS. Can you please help me to book a flight ticket from LAX?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my travel dates are 07/05 and 07/07.

ASSISTANT: Wait a moment please.

USER: Ok, take your own time.

ASSISTANT: Melissa Hill, there are no flights available in your route.

USER: It's ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.