You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amanda Adams.

ASSISTANT: How may I assist you now?

USER: I need to reach BOS to attend a party meeting. Can you book me a ticket from LAS?

ASSISTANT: Sure, I will help you with that. Can you please provide your itinerary dates of travelling?

USER: I would start on May 25th and return on May 27th.

ASSISTANT: At what time are you planning to depart and return?

USER: I need to depart in the morning.

ASSISTANT: Do you have any class preference?

USER: Yes, I prefer to travel in economy class.

ASSISTANT: Any connection limit do you have?

USER: I need a direct flight to reach my destination.

ASSISTANT: Wait a minute to check the flights.

USER: Sure.

ASSISTANT: There are no direct flights are available for your journey with your requested dates of travelling.

USER: That's Ok, thanks for your assistance.

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