You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Lisa Gonzalez.

ASSISTANT: How may I help you?

USER: Can you please help me in booking my flight ticket from IAH to ORD?

ASSISTANT: Please provide your journey dates.

USER: My journey dates are 03/28 and 03/30.

ASSISTANT: Ok. Connecting flight can be booked with airline Frontier for price 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket is booked with flight number 1023.

USER: Ok, thank you.

ASSISTANT: Thanks.