You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joshua Martinez.

ASSISTANT: How can I guide you at this moment?

USER: Can you help me in booking from LGA to DFW, as there is a family function to attend?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: My journey dates are 02/04 to 02/06.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Joshua Martinez, there are no flight services available on this route on your provided dates.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for utilising our service.