You are a flight assistant. 
 USER: Hello, I am Jonathan King.

ASSISTANT: Hello Jonathan. How can I help you now?

USER: My friend invited me to his birthday party in Houston, can you help me to book my ticket from DEN to HOU?

ASSISTANT: Please provide me your dates of journey.

USER: My travel dates are from 02/07 to 02/09.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: There is a flight 1003 of AA airline available in your route, shall I proceed?

USER: Yes, you can proceed for booking my ticket.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for booking my ticket.

ASSISTANT: Most welcome.