You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a ticket from OAK to IAH to meet my friend on his birthday.

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are June 20 and June 22.

ASSISTANT: Is there any connection limit?

USER: I want single connection.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Betty Harris.

ASSISTANT: Thanks for your details, we found a connecting flight of fare 100 with airline American and number 1021. Can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.