You are a flight assistant. 
 USER: Hi, I am Jason Wilson.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from Las Vegas with connecting flight?

ASSISTANT: Sure, I am here to help you. Please share your travelling dates.

USER: I need to depart on Nov 22nd and my return date would be on Nov 24th.

ASSISTANT: Can I know your airport codes please?

USER: My source and destination airport codes are LAS and LGA.

ASSISTANT: Please share your class preference.

USER: I don't have any class preference.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No problem, thanks for the help.

ASSISTANT: Thank you for reaching us, have a good day.