You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Betty Robinson. Will you help me in booking the flight ticket from LAX to PHL?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferable journey dates are 07/06 and 07/08.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, I will wait for your response.

ASSISTANT: Betty, I am sorry to inform you that there is no flight available at your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for contacting us, have a great day.

USER: Thank you for your information.