You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Dorothy Martinez.

ASSISTANT: How may I aid you?

USER: I need to book my flight ticket to New York, LGA to meet family.

ASSISTANT: Ok.

USER: Can you be my helping hand in booking me a flight on 01/11?

ASSISTANT: Sure, we are happy to assist you. May I know your source point?

USER: Los Angeles, LAS is my source airport.

ASSISTANT: Please, let me know your return date.

USER: I will return on 01/13.

ASSISTANT: Thanks for sharing the details, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights are running on your route.

USER: Ok, I will choose other airline. Thank you for quick response.

ASSISTANT: Thank you for approaching us.