You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please book a flight ticket from IAH to OAK?

ASSISTANT: Sure, can your share your trip dates?

USER: I want to travel in Mar from 29th to 31st.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No, thanks for asking.

ASSISTANT: Please forward your name.

USER: Anna Scott here.

ASSISTANT: We found a connecting flight of fare 100 with airline Spirit and number 1021. Can I book?

USER: Yes, book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.