You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I have plan to meet my friend in Houston, so cold you please help me book a flight from OAK to IAH.

ASSISTANT: Can you please help me with the dates of journey?

USER: My departure date is 11/24 and return date is on 11/26.

ASSISTANT: Give me a minute.

USER: Please make sure that, my connections limit should be 1.

ASSISTANT: There is  a flight with number 1009 and connection is as per your request. Can I book it?

USER: Ok, proceed to book a flight.

ASSISTANT: May I know your name? Your ticket  is  booked with airline:UA.

USER: I am Michelle Smith.

ASSISTANT: Have a safe flight.

USER: Ok, thank you for booking.

ASSISTANT: Welcome.