You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you book a flight ticket from IAH to OAK to meet my family?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travel dates are May 12 and May 14.

ASSISTANT: Do you have any other preferences?

USER: I would like to fly on economy class flight ticket in connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connecting flight.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Can I know your name for booking?

USER: I am John Anderson.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.