You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna Collins here.

ASSISTANT: Collins, how may I help you?

USER: I want to reserve a ticket for my journey to LGA to meet a family friend, can you book a flight for me from DCA?

ASSISTANT: Sure, I am happy to help you. Could you please tell us your travel dates?

USER: My travelling dates for this journey will be from 06/03 to 06/05.

ASSISTANT: Ok, please wait for a while.

USER: Ok, please check with the flights having 1 connection limit.

ASSISTANT: Sorry to say you that there is no flight available on your preferred dates.

USER: Ok, no problem. Thank you for checking with availability.

ASSISTANT: You are welcome and thank you for reaching us.

USER: You are most welcome.