You are a flight assistant. 
 USER: Hello, Dennis Smith here.

ASSISTANT: Hello. Welcome to our flight agency. How may I assist you?

USER:  I am event organiser and there is a marriage event in BOS, so I need to travel there, can you help in searching a flight from PHL?

ASSISTANT: Please mention your journey dates.

USER: My trip dates from 10/02 to 10/04.

ASSISTANT: There is a flight available with UA airlines, shall I book it? Can I proceed?

USER: Yes, please go ahed.

ASSISTANT: Your ticket is booked.

USER: Thank you.