You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Smith.

ASSISTANT:  Mark Smith. How may I help you?

USER: I am planning to attend music concert at LGA, can you please help me with booking a flight ticket from PHX?

ASSISTANT: Sure, may I know the travel dates.

USER: Sure, I would like to take off on July 31 and return on Aug 2.

ASSISTANT: Please give me a moment.

USER: I need a flight with 0 connection.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: I regret to inform that, there are no flights upon your requested dates.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.