You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Amanda Evans. I would like to Book a ticket from IAH and DCA.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My itinerary travel dates are July 27 and July 29.

ASSISTANT: Do you need any halt in between your journey?

USER: I would like travel by single connection and depart time should be evening.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No problem, thank you for your time.

ASSISTANT: Thanks for approaching us.