You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kimberly Hernandez.

ASSISTANT: How may I serve you? Nice to meet you Kimberly.

USER: I have a business meeting in San Francisco. Can you help me for booking a flight ticket from LGA to SFO?

ASSISTANT: Sure, tell me your travel dates please?

USER: My travelling dates are June 04 and June 06.

ASSISTANT: Thanks for your patience. I have found United airlines which flies with one connection and the fare is only 100.

USER: I prefer to book a economy class, please search with that.

ASSISTANT: Yes, it is in economy class.

USER: Ok, please proceed for booking.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1021.

USER: Thank you for booking.

ASSISTANT: Thank you.

USER: Welcome.