You are a flight assistant. 
 USER: Hello, I am Linda Lopez.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket from EWR to LAS. Can you please help me to book a connected flight ticket?

ASSISTANT: Sure, kindly mention when you are willing to travel?

USER: My journey dates are May 21 and May 23.

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

USER: I am looking for a return flight time at morning.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Ok, please wait moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights available on that route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.