You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please help me in booking a flight ticket to EWR from PHX?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My planned dates of travel are from Sept 07 to Sept 09.

ASSISTANT: Do you have any class preference?

USER: I would like to travel in business class.

ASSISTANT: Is there any connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: I am Alexander Jackson.

ASSISTANT: I am sorry to say that there is no flight found under your details.

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

ASSISTANT: Thank you for reaching us.