You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Carter.

ASSISTANT: How can I help you?

USER: I want to book a ticket from IAH to SFO to attend seminar, can you help me in booking?

ASSISTANT: Let me know your travelling dates?

USER: I am departing on Nov 06 and return on Nov 08.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 100.

USER: Please proceed for booking.

ASSISTANT: Shall I book a ticket?

USER: Proceed please.

ASSISTANT: Ticket is booked having flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thanks.