You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking my flight ticket from IAH to EWR?

ASSISTANT: May I know your itinerary dates please?

USER: My planned travel dates are Oct 22-24.

ASSISTANT:  May I know your preferable journey timings?

USER: I prefer a direct flight. I dont have any timings.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: For this trip I want to travel in economy class.

ASSISTANT: There is a direct flight-1005 in economy class, is it fine for you?

USER: Ok, please proceed on the name of Gregory Lewis.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you for your service.

ASSISTANT: Welcome Gregory Lewis.