You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I succour you?

USER: I am Deborah Miller. I am planning to go for NASA Space center at Houston, IAH. Can you please book a ticket on 07/15?

ASSISTANT: Sure, may I know your source code?

USER: Origin code is Philadelphia, PHL.

ASSISTANT: On when date are you going to return back?

USER: Return is on 07/17.

ASSISTANT: Do you have any other preferences?

USER: I need connecting flight.

ASSISTANT: Okay, please hold on.

USER: Sure.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1006 with the fare of 200.

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.