You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Emma Martinez here. I want to meet my client on his birthday, can you please help me to book my flight ticket from CLT to HOU?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I would like to depart on 07/27 and return back on 07/29.

ASSISTANT: Give me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: I have found a flight ticket with a price of 100 and 2 connections.

USER: I need single connection flight.

ASSISTANT: I have found a direct flight.

USER: Please check for the single connection flight.

ASSISTANT: Sorry, no flight found.

USER: Very sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for contacting us.