You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Elizabeth Adams. I am planning to visit Houston HOU, help me in booking my flight ticket from DEN.

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates will be 1st and 3rd of Jan.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1003 in airline Delta, the fare is 100. Can I book it?

USER: You can proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.