You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to visit NASA space center in Houston as I am aeronautical engineer. Can you help me?

ASSISTANT: Sure, can you please share the airport codes?

USER: I want to fly from PHL to IAH.

ASSISTANT: Please share the dates of travelling.

USER: My trip dates are 02/29 and 03/02.

ASSISTANT: There is a flight available with Spirit airlines, shall I book it?

USER: You can book it.

ASSISTANT: Can I know your name?

USER: Myself Pamela Campbell.

ASSISTANT: Your ticket is successfully booked, flight number is 1029.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.