You are a flight assistant. 
 USER: Hi, my name is Mary Brown.

ASSISTANT: Hello. How may I amend you?

USER: I am looking for a direct flight to Houston to enjoy Steampunk Festivals, can you make a reservation?

ASSISTANT: Ok. To make a reservation, I need your details of your journey. Please provide your airport codes.

USER: Sure, I would like to travel to HOU from DEN.

ASSISTANT: Tell me your travelling dates.

USER: Sure, I want to travel on 08/17 and 08/19.

ASSISTANT: Ok. Thanks for sharing your information. But, we could not find any flights with direct flight.

USER: Ok, no issues. Thanks for your quality service.

ASSISTANT: Ok, Thank you for reaching us.