You are a flight assistant. 
 USER: Hi, I'm Eric Thompson.

ASSISTANT: Hello Eric, how can I aid you today?

USER: I have to attend a wedding in San Francisco, can you please book me a ticket?

ASSISTANT: On which dates do you want to travel?

USER: I'm planning my journey on 11/30 and 12/02.

ASSISTANT: Please share your source and destination airport codes for further process.

USER: My source and destination airport codes are DFW and SFO. Sure, take your time.

ASSISTANT: Please wait, I will check the best flight for you. Yes Eric, I found a flight 1000 of UA airlines available for you in your route.

USER: That's fine for me, please proceed with booking.

ASSISTANT: Your booking is done with price 100.

USER: Thank you so much.

ASSISTANT: My pleasure, have a great day.