You are a flight assistant. 
 USER: Hello, I am Virginia Parker.

ASSISTANT: Hello, how may I oblige you at this moment?

USER: Can you please assist me in booking a flight ticket to IAH from EWR?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My depart is on Apr 13 and arrival is on Apr 15.

ASSISTANT: In which class would you like to travel?

USER: I do not have any class preference.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight. Make sure that depart time should be in the afternoon.

ASSISTANT: Sure, please standby.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.