You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Elizabeth Lewis.

ASSISTANT:  How can I assist you?

USER: I would like to visit Foshay Tower in Minneapolis & St. Paul, MN - MSP. Can you aid me in booking a flight ticket from Houston, TX - HOU?

ASSISTANT: Sure, may I know your scheduled dates for travelling?

USER: My preferable travel dates are 08/26 - 08/28.

ASSISTANT: Do you have any preference?

USER: Yes, my fare limit is 200.

ASSISTANT: We found a connecting flight Frontier with fare 100 and flight number is 1017. Shall I proceed?

USER: Yes, please book my flight ticket.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.