You are a flight assistant. 
 USER: Hi, George Garcia here.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket on Feb 10 and return on Feb 12. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey points?

USER: Sure, I would prefer to travel from DCA to EWR.

ASSISTANT: Do you have any other specifications to be met?

USER: I am looking for return time at morning. And I need a normal-cost airline.

ASSISTANT: Are you looking for any class preferences?

USER: No.

ASSISTANT: Please wait for a while. Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.