You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Benjamin Green. I am planning for a trip from LGA to SFO, can you help me with booking?

ASSISTANT: Please provide me your travel dates.

USER: Sure, my trip dates are 12/30 and 01/01.

ASSISTANT: According to your details there is a flight with airline Delta and price 200.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: It's my pleasure.