You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please book a ticket from PHX to LGA? As I'm planning to visit my grand parents.

ASSISTANT: Sure, can I help you and may I know your journey dates?

USER: Sure, my planned departure and return travel dates are 14th and 16th of Jan.

ASSISTANT: Can I know your name for booking purpose?

USER: Yes, my name is Emma Martinez.

ASSISTANT: Is there any connection preference?

USER: No but I want to depart in the evening time.

ASSISTANT: Sorry to inform you that there is no flight which will depart in the evening time to book a ticket.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: You are most welcome and thank you for approaching us.