You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Clark.

ASSISTANT: How may I aid you today?

USER: I would like to take a flight from LGA to PHX, can you help me with booking?

ASSISTANT: Sure, please share your travel dates also. .

USER: Ok, my trip dates are from 07/14 and 07/16.

ASSISTANT: Sorry, no flights are available on your requested dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for opting us.