You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Sandra Phillips. I want to book a direct flight ticket to attend an emergency case. Can you help me?

ASSISTANT: Sure, we are here to help you. On what dates will you be travelling?

USER: 10/07 and 10/09 are my travelling dates.

ASSISTANT: Can you share me your source point and destination point?

USER: PHX and DFW are my airport codes.

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

USER: Ok.

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

USER: No issue. Thank you.

ASSISTANT: Thanks for approaching us.