You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am planning to book a ticket from EWR to LGA. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I am happy to aid you with that. Can you please mention your preferable travel dates?

USER: I am planning to travel on Oct 05 and return back on Oct 07.

ASSISTANT: May I know your name for further process?

USER: Sure, I am Jennifer Roberts.

ASSISTANT: In which class do you want to travel?

USER: I am looking for a economy class flight.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: My return time should be morning.

ASSISTANT: Do you have any another specifications?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.