You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name?

USER: I am Ashley Wright.

ASSISTANT: Ok, what kind of service you are expecting from us?

USER: I want to book a flight ticket with my price limit of 5000. I need a direct flight to attend my grand father funeral.

ASSISTANT: Ok, on which day you want me to book a ticket?

USER: My departure is 07/03 and return date on 07/05.

ASSISTANT: Ok, mention your boarding and landing airports?

USER: My source from NY - JFK and destination to CA - SFO.

ASSISTANT: Ok, wait a minute. I will check and revert you.

USER: Sure.

ASSISTANT: We apologise, but we do not have any flights with your requirements.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thanks for availing our service.