You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to fly from LGA to IAD. Can you book my ticket from that route?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned travel dates are 12/02 and 12/04.

ASSISTANT: Please share me your name.

USER: Sure, Jerry Brown here.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight  for this journey.

ASSISTANT: Flight-1015 is available with Frontier airlines having direct connection and the ticket costs you 200 only in economy class. Are you comfortable with this flight?

USER: Make sure that my depart time should be in the afternoon only.

ASSISTANT: Sorry, there is no flight at this moment.

USER: No issues, thank you for the information.

ASSISTANT: Thank you.