You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please book a direct flight from New York, LGA?

ASSISTANT: Sure, may I know your travelling dates?

USER: I have completed my research on plants.So, I want to go home on 06/10. Later to submit documentation, I return on 06/12.

ASSISTANT: Let me know your landing point.

USER: My destination place is Seattle, SEA.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with airline: Spirit, flight number:1003, price 100, 1 connection. Shall I proceed?

USER: Ok, do not proceed to book, I need a direct flight.

ASSISTANT: Ok, please provide your name.

USER: I am Ronald Campbell. Thanks for your quick response.

ASSISTANT: Thank you.