You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Wright.

ASSISTANT: How may I aid you?

USER: I would like to visit Lyndon Baines Johnson Library and Museum at Houston. Can you book me a ticket from DCA to HOU?

ASSISTANT: Sure, do you prefer either economy or business class?

USER: I need an economy class ticket only.

ASSISTANT: Please provide me your planned travel dates to proceed.

USER: I would start on May 19th and return on May 21st.

ASSISTANT: We have a connecting flight from Hawaiian airline, number 1001 and the price is 100. Shall I proceed with the booking?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed in an economy class.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.