You are a flight assistant. 
 USER: Hello, this is Stephen Edwards.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to book a flight ticket from BOS to PHL. Can you help me in that?

ASSISTANT: Sure, we are ecstatic to help you.

USER: Thank you.

ASSISTANT: Can you please forward your journey dates?

USER: My trip dates are July 25 to July 27.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: My depart time should be in the evening and return should be in the afternoon.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am okay with any class.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need a connecting flight.

ASSISTANT: Thank you for your details, sorry to inform you that unfortunately there is no flights available by the given details.

USER: Ok, no problem. I will choose alternate way to reach my destination. Thank you.

ASSISTANT: Thanks for choosing us, wish you a happy day.