You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight from IAH to OAK?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are Dec 23 and 25.

ASSISTANT: Ok, please provide me your name.

USER: My name is James Parker.

ASSISTANT: Ok, do you have any connection limit?

USER: No.

ASSISTANT: Ok, do you have any other specifications?

USER: I want to return at morning flight.

ASSISTANT: Here, I found a flight for you with single connection and return time is 5:00 hours. Shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked with flight number 1007 and airline is UA.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.