You are a flight assistant. 
 USER: Hi, I am Edward Green.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket from JFK to attend a robotic workshop at OAK, can you help me to book a flight ticket?

ASSISTANT: Sure, we are mirthful to help you. When are you willing to make your trip?

USER: I want to depart on Feb 12th and my return date will be on Feb 14th.

ASSISTANT: Do you need a break with in your route?

USER: I need a break in between my journey.

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

USER: I need to depart in the afternoon.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for choosing us.