You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good morning.

USER: Is this Legacy Travels?

ASSISTANT: Yes, we are Legacy Travels. How can I help you?

USER: I hope there is a flight with fare 200. As I want to travel with single connection.

ASSISTANT: Ok, let me check is there any flight available or not, so may I know your travel dates and airport codes?

USER: Planning to visit Houston for a small trip, as these are few last days of mine left in USA, going back to India, can you please help me while booking a ticket from ORD to IAH?

ASSISTANT: When are you starting your trip from ORD and your return date from IAH?

USER: From Chicago I will be flying on 05/21 and landing date in Houston would be 05/23.

ASSISTANT: Please wait a while, let me check is there any flight available or not.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight available on 05/21 to IAH.

USER: No issue.

ASSISTANT: May I know your name for documentation purpose?

USER: Thank you for your time. Myself Robert Thomas.

ASSISTANT: Thanks for contacting us.