You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffery Parker.

ASSISTANT: How may I assist you?

USER: I want to make a trip from EWR to LAS. Can you please make a reservation for me?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: Sure, I want to depart on Nov 6 and need to return on Nov 8.

ASSISTANT: Do you have any connection preference?

USER: I need a direct flight.

ASSISTANT: May I know the specific timings of your journey?

USER: Yes, my return time must be in the evening.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in an normal-cost airline.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Jeffrey Parker, no flights has been found on your planned travel dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.