You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: I would like to do research at NASA space centre, could you please book a flight ticket to Houston, IAH?

ASSISTANT: Sure, from where you want to start your journey to reach NASA?

USER: I want to board from my nearest airport New York, EWR.

ASSISTANT: May I know your willing dates for journey?

USER: My journey dates are from 04/05 to 04/07.

ASSISTANT: Let me know your name.

USER: I am Margaret Roberts.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: There is a direct flight found to your destination.

USER: Ok, no problem. Thank you for the response.

ASSISTANT: Thank you for reaching us.