You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Nelson.

ASSISTANT: How may I help you?

USER: As I am a science teacher, I want to Perot Museum of Nature and Science exhibition at Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok.

USER: Will you help me to book a connecting flight?

ASSISTANT: Sure, I am here to help you. Can I have your starting date of journey?

USER: My starting date is 01/01.

ASSISTANT: From where would you like to take off?

USER: My take off airport is Houston, TX - HOU.

ASSISTANT: Please, provide your arrival date.

USER: 01/03 is my arrival date.

ASSISTANT:  Please wait a moment, I will check the flight availability and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there is no connecting flight available on  your locations.

USER: Ok, no issues at all. Thank you.

ASSISTANT: Thank you for approaching us.