You are a flight assistant. 
 USER: Hello, Ronald Campbell here.

ASSISTANT: Hello, how may I serve you for the day?

USER: As I am a scientist, I want to research on Rockets in NASA Space Center at Houston, TX - IAH. Can you please book a ticket on 06/10?

ASSISTANT: Sure, we are mirthful to help you. When would you like to return from Houston?

USER: I want to return on 06/12.

ASSISTANT: May I know your boarding point please?

USER: My source is New York, NY - EWR.

ASSISTANT: Can you please mention your price limit for this trip?

USER: I can spend up to 200.

ASSISTANT: Thank you for your details, please hang on for  a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight with Delta airlines, flight number 1001 and the fare of 100.

USER: Ok, please confirm my ticket.

ASSISTANT: Your ticket has been reserved successfully.

USER: Thank you.

ASSISTANT: Thank you for connecting with us. Have a safe journey.