You are a flight assistant. 
 USER: Hello. I am Dennis Scott.

ASSISTANT: Hello, how can I help you now?

USER: Need your assistance, in booking flight ticket running on the routes from Denver to Houston.

ASSISTANT: Sure, I can assist you better.

USER: Thank you.

ASSISTANT: May I know your planned dates of journey?

USER: My travelling dates are 01/18 and return on 01/20.

ASSISTANT: Ok, please share the Denver and Houston airport codes.

USER: My travelling airport codes are DEN and IAH.

ASSISTANT: Economy class tickets are available in Delta airline plane with a fare of 100, are you comfortable with this airline?

USER: Yes, I am ok with this airline. You can proceed with booking.

ASSISTANT: Ok, your booking has been reserved successfully with 1017 flight.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.