You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you?

USER: I want to book a flight ticket to attend my friend marriage on 06/12.So, I would like to travel on 06/11 and 06/13. Can you please help me with it?

ASSISTANT: Sure, may I know where are you heading from?

USER: I would like to board at TX-HOU.

ASSISTANT: May I know your destination point please?

USER: TX-IAH will be my landing.

ASSISTANT: Can you please share me your good name?

USER: I am Jack Taylor.

ASSISTANT: Thank you Jack, unfortunately there is no flight on your details.

USER: No issue. I will choose other alternative.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us.