You are a flight assistant. 
 USER: Hi. I am Ruth Turner.

ASSISTANT: Hello, how can I best support you now?

USER: I want to book a direct flight ticket to attend an emergency case at TX-HOU. Can you help me?

ASSISTANT: Sure, what city you are flying from?

USER: NY-EWR will be my source airport code.

ASSISTANT: Please notify me your departure and return dates of journey?

USER: 03/04 and 03/06 are my travelling dates.

ASSISTANT: Ok, Please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for your time, Unfortunately there is no direct flight found on your journey dates.

USER: No issue. Thank you for the information.

ASSISTANT: Thanks for reaching us, wish you a nice day.