You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I want to visit a place of Metropolitan Museum of Art in New York City. Will you help me on booking?

ASSISTANT: sure, may I know your journey dates please?

USER: I would like to travel on 09/19 and returned by 09/21.

ASSISTANT: Please provide me your name and airport code.

USER: I want to travel from SFO to LGA.

ASSISTANT: Ok, may I know your name please for booking purpose?

USER: Ok, myself Pamela Wilson.

ASSISTANT: Sorry Pamela, there is no flight available at your requested dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Welcome. Thank you for contacting us.