You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Susan Baker.

ASSISTANT: Susan, how may I help you?

USER: Can you please book a flight ticket from LAS to LGA?

ASSISTANT: Sure. Please provide your journey dates.

USER: Sure, I would like to travel on dates of 05/08 and 05/10.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no airlines is providing service on this route.

USER: Oh! It is sad to hear. Anyway, I will choose another mode of transport this time.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your time.