You are a flight assistant. 
 USER: Hello. I am Ruth Hall.

ASSISTANT: Hello, how may I serve you?

USER: I would like to visit at EWR for enjoying holidays, can you help me to book a flight ticket from DEN?

ASSISTANT: Sure, when are you wiling to travel?

USER: I am travelling from Apr 09 to Apr 11.

ASSISTANT: Do you have any preferences?

USER: Please ensure the return flight ticket at morning time.

ASSISTANT: We found a flight in an airline American with 1016 number having a single connection price of 300. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved in an economy class which is having it's return time in the morning.

USER: Thank you.

ASSISTANT: Thank you for reaching us.