You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Nicole Jackson.

ASSISTANT: How can I assist you today?

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

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

USER: I want to travel on 02/17, and need to catch return flight on 02/19.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I want to depart in the morning time.

ASSISTANT: Nicole Jackson, I am sorry to inform you that there is no flight available at your request.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: You are welcome. Thank you for contacting us.