You are a flight assistant. 
 USER: Hi, Joshua Campbell here.

ASSISTANT: Hello, How can I aid you?

USER: I need to book a flight ticket from PHX to EWR to enjoy music festivals. Can you help  me in booking a connected flight?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my scheduled dates are 28 Jun and 30 Jun.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with  any class.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I would prefer depart time at evening.

ASSISTANT: Ok, Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights found on your data.

USER: Ok, no issues. Thank you for your kind service.

ASSISTANT: Thank you.