You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I would like to make a flight ticket reservation from HOU to IAH, can you please help me?

ASSISTANT: May I know your trip dates to reserve your seat.

USER: Sure, my planned travelling dates are May, 30 and Jun, 01 respectively.

ASSISTANT:  Could you let us know if you have any class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Are there any more preferences that you want to avail?

USER: Yes, I would like to travel in direct flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, my name is Alexander Jackson here.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Welcome Alexander Jackson.