You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to book a flight ticket from LGA to IAD to meet my friends during this weekend?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, please book a ticket for the dates Jan 10th and Jan 12th.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a flight with single connection limit.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: My name is Robert Thompson.

ASSISTANT: Sorry, no flights found on your specified dates.

USER: That is ok, thank you for assisting me.

ASSISTANT: Welcome, thank you for reaching us.