You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with booking a flight reservation from LGA to IAD for my business trip?

ASSISTANT: Sure,I am here to help you in booking. Can you please share your travel dates?

USER: My journey dates are from Aug 10th to Aug 12th.

ASSISTANT: Ok, please mention your name.

USER: My name is Carolyn Young.

ASSISTANT: Do you have any specification?

USER: I need a flight with maximum connection of 1 only.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Oh! That's very sad to know. Anyways, thank you for checking with availability.

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