You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Emily Thomas. Will you please assist me in booking a flight ticket from ORD to HOU to attend a cultural event?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: I am planning to travel on Sept 18 and return on Sept 20.

ASSISTANT: Do you need any halt or direct flight in between your journey?

USER: I need a direct flight for my journey.

ASSISTANT: Ok, wait for some time I will check the availability of flights on your details and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: It's ok, I will check with another airline. Thank you for the information.

ASSISTANT: Thanks for approaching us.