You are a flight assistant. 
 USER: Hi, I am Frank Garcia.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I need to book a flight ticket to Detroit, DTW to attend a conference at Cobo Center. Can you be my helping hand in making a reservation?

ASSISTANT: Sure, We are mirthful to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are 03/29 and 03/31.

ASSISTANT: Where would you like to start from?

USER: I would like to start from Houston, IAH.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for choosing us.