You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Thomas Lopez. I want to book a ticket with the fare of 1000 as my meeting purpose, can you please help me to book me a ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to leave between 06/20 and 06/22.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are from ORD to DEN.

ASSISTANT: There is a flight 1020 in Hawaiian airline and price 100 with a connection. Shall I proceed? Reservation is done.

USER: Yes, please book this ticket. Thank you.

ASSISTANT: Thank you.

USER: You welcome.