You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Smith.

ASSISTANT: How can I assist you?

USER: I need your assistance to book my flight ticket to EWR from SFO to attend a workshop which is going to held in the month of April. Can you help me to book my flight ticket?

ASSISTANT: Ok, may I know your travel dates to book a ticket?

USER: Sure, my travel dates of journey are 04/30 and 05/02.

ASSISTANT: Sorry Mr. Anthony Smith, there are no flights available at your provided location.

USER: Not a problem, I will go with another resources to reach my destination. Anyways thank you for the help.

ASSISTANT: Thank you for connecting with our agency.