You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Rachel Thompson here. I am looking for some help in my ticket booking, can you please help me in my ticket booking?

ASSISTANT: Sure, can I have your airport codes please?

USER: I would like to start my trip from Denver-DEN to Houston-HOU to visit the Art's Car museum.

ASSISTANT: Oh! That's good, when you are planning to travel?

USER: I am probably planning trip dates on 03/08 and arrival back to my home region on 03/10.

ASSISTANT: Sorry Rachael, no flight's found based on your travelling details.

USER: Sad to hear. I will reach other booking agencies for my ticket booking, thank you so much for your help.

ASSISTANT: Do you need any other help?

USER: That's it.

ASSISTANT: Ok, thank you for contacting us.

USER: Thank you for your service.