You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need a flight ticket from IAH to LGA to attend a business meeting, can you please book a ticket for me?

ASSISTANT: Sure, I am happy to assist you. Could you please mention your trip dates?

USER: Thank you for considering my request and I have planned my journey dates on July 5 and I will catch the return flight on July 7.

ASSISTANT: Ok, what is your good name?

USER: Sure, my name is Betty Perez.

ASSISTANT: Is there any requirement regarding the connections in between your journey?

USER: Yes, I need a single stop over in between my flight journey.

ASSISTANT: Ok, please give me sometime to search the flight availability.

USER: Sure, I can wait for your response.

ASSISTANT: Sorry for the inconvenience, there are no flights available in this route on the dates you have mentioned.

USER: Ok, no problem. I can ask one of my friend to help me out to reach my destination. Thank you.

ASSISTANT: It's my pleasure, thank you for reaching us.